oracle教程sunzhenlin2008ZIPOracle8i数据库基础(SQL和PL_SQL).zip 601.62KB 立即下载资源文件列表:ZIP Oracle8i数据库基础(SQL和PL_SQL).zip 大约有1个文件 Oracle8i数据库基础(SQL和PL_SQL).doc 3.32MB 资源介绍: 初学者不错的oracle教程 <html xmlns="http://www.w3.org/1999/xhtml"><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/raw.css"><script src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> Oracle8i<span class="_ _0"> </span><span class="ff2 sc1">数据库基础</span></div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _1"></span> <span class="_ _2"></span>(<span class="ff2 sc1">初稿</span>)</div><div class="t m0 x1 h4 y4 ff1 fs1 fc0 sc0 ls0 ws0"> <span class="ff2 sc1">赵元杰</span></div><div class="t m0 x1 h5 y5 ff1 fs2 fc0 sc0 ls0 ws0"> 2002<span class="_ _3"> </span><span class="ff2 sc1">年<span class="_ _3"> </span></span>3<span class="_ _3"> </span><span class="ff2 sc1">月<span class="_ _4"> </span></span>5<span class="_ _4"> </span><span class="ff2 sc1">日</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div></html><div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h6 y6 ff3 fs3 fc0 sc0 ls0 ws0"> <span class="_ _2"></span><span class="ff2">前 言</span></div><div class="t m0 x1 h6 y7 ff4 fs3 fc0 sc0 ls0 ws0"> <span class="ff2">本讲稿</span>(ORACLE8i <span class="ff2">数据库基础</span>)<span class="ff2">是作者在多年的工作和授课中的总结,主要包括两个部分<span class="_ _2"></span>,</span></div><div class="t m0 x1 h6 y8 ff2 fs3 fc0 sc0 ls0 ws0">第一部分是<span class="_ _5"> </span><span class="ff4">ORACLE SQL*PLUS<span class="_ _5"> </span></span>基础,主要讲述<span class="_ _5"> </span><span class="ff4">ORACLE </span>应用系统设计的基本知识和给出</div><div class="t m0 x1 h6 y9 ff2 fs3 fc0 sc0 ls0 ws0">一<span class="_ _6"> </span>些<span class="_ _6"> </span>有<span class="_ _6"> </span>用<span class="_ _6"> </span>的<span class="_ _6"> </span>实<span class="_ _7"> </span>例<span class="_ _6"> </span>;<span class="_ _6"> </span>第<span class="_ _6"> </span>二<span class="_ _6"> </span>部<span class="_ _6"> </span>分<span class="_ _7"> </span>是<span class="_ _6"> </span>介<span class="_ _6"> </span>绍<span class="_ _8"> </span><span class="ff4">ORACLE<span class="_ _9"></span> <span class="_ _9"></span>PL/SQL<span class="_ _a"> </span></span>知<span class="_ _6"> </span>识<span class="_ _6"> </span>,<span class="_ _6"> </span>主<span class="_ _6"> </span>要<span class="_ _7"> </span>讲<span class="_ _6"> </span>述<span class="_ _a"> </span><span class="ff4">ORACLE<span class="_ _a"> </span></span>数<span class="_ _6"> </span>据</div><div class="t m0 x1 h6 ya ff2 fs3 fc0 sc0 ls0 ws0">库<span class="_ _5"> </span><span class="ff4">PL/SQL<span class="_ _5"> </span></span>程序设计所用到基<span class="_ _2"></span>本知识,这部<span class="_ _2"></span>分给出进行应用设<span class="_ _2"></span>计所必需的基<span class="_ _2"></span>础知识。这两<span class="_ _2"></span>部</div><div class="t m0 x1 h6 yb ff2 fs3 fc0 sc0 ls0 ws0">分的内容都尽<span class="_ _2"></span>可能做到内容<span class="_ _2"></span>简洁而全面。特点<span class="_ _2"></span>是,<span class="_ _2"></span><span class="ff4">1.<span class="_ _2"></span></span>用简单明了的语句<span class="_ _2"></span>对解释各个部<span class="_ _2"></span>分的内</div><div class="t m0 x1 h6 yc ff2 fs3 fc0 sc0 ls0 ws0">容,省去一些<span class="_ _2"></span>理论性的解释<span class="_ _2"></span>;<span class="ff4">2.<span class="_ _2"></span></span>给出作者在应<span class="_ _2"></span>用设计和开发中的<span class="_ _2"></span>一些具体的例<span class="_ _2"></span>子,为软件人</div><div class="t m0 x1 h6 yd ff2 fs3 fc0 sc0 ls0 ws0">员提供一些借<span class="_ _2"></span>鉴,省去查阅<span class="_ _2"></span>大量资料的时间。<span class="_ _9"></span><span class="ff4">3.</span>给出了许多<span class="_ _2"></span>资料所没有提供的<span class="_ _2"></span>一些使用技巧<span class="_ _9"></span>,</div><div class="t m0 x1 h6 ye ff2 fs3 fc0 sc0 ls0 ws0">如<span class="_ _2"></span>导<span class="_ _2"></span>出<span class="_ _2"></span>触发<span class="_ _2"></span>器<span class="_ _2"></span>等<span class="_ _2"></span>。<span class="_ _2"></span>总<span class="_ _2"></span>之<span class="_ _2"></span>,<span class="_ _2"></span>内<span class="_ _2"></span>容<span class="_ _2"></span>基<span class="_ _2"></span>本<span class="_ _2"></span>上<span class="_ _2"></span>包<span class="_ _2"></span>括<span class="_ _2"></span>当<span class="_ _2"></span>前<span class="_"> </span><span class="ff4">Oracle8I<span class="_ _5"> </span></span>的<span class="_ _2"></span>最<span class="_ _2"></span>新<span class="_ _2"></span>内<span class="_ _2"></span>容<span class="_ _2"></span>。<span class="_ _2"></span>同<span class="_ _2"></span>时<span class="_ _2"></span>也<span class="_ _2"></span>覆<span class="_ _2"></span>盖<span class="_ _2"></span>了<span class="_ _2"></span>最新<span class="_ _2"></span>的</div><div class="t m0 x1 h6 yf ff4 fs3 fc0 sc0 ls0 ws0">ORACLE8i OCP<span class="_ _5"> </span><span class="ff2">培训大纲的内容。不仅包含<span class="_ _5"> </span></span>ORACLE <span class="_ _2"></span><span class="ff2">程序设计人员、</span>DBA<span class="_ _5"> </span><span class="ff2">所必须掌握的知</span></div><div class="t m0 x1 h6 y10 ff2 fs3 fc0 sc0 ls0 ws0">识,而且还含<span class="_ _2"></span>盖了系统分析<span class="_ _2"></span>员所要求的内容。<span class="_ _2"></span>与本书(讲稿<span class="_ _2"></span>)相伴的还有<span class="_ _2"></span>《<span class="_ _6"></span><span class="ff4">Oracle8I<span class="_ _5"> </span></span>初级管</div><div class="t m0 x1 h6 y11 ff2 fs3 fc0 sc0 ls0 ws0">理员》和《<span class="ff4">Oracle8I<span class="_ _5"> </span></span>高级管理员》。</div><div class="t m0 x1 h6 y12 ff4 fs3 fc0 sc0 ls0 ws0"> <span class="ff2">全书内容简练实用,可作为<span class="_ _5"> </span></span>ORACLE <span class="ff2">数据库管理人员参考,也可作为应用开发人员和系</span></div><div class="t m0 x1 h6 y13 ff2 fs3 fc0 sc0 ls0 ws0">统<span class="_ _6"></span>分<span class="_ _b"></span>析<span class="_ _b"></span>与<span class="_ _6"> </span>设<span class="_ _b"></span>计<span class="_ _6"> </span>人<span class="_ _b"></span>员<span class="_ _6"> </span>以<span class="_ _b"></span>及<span class="_ _6"> </span>大<span class="_ _b"></span>学<span class="_ _6"> </span>计<span class="_ _b"></span>算<span class="_ _6"> </span>机<span class="_ _b"></span>专<span class="_ _6"> </span>业<span class="_ _b"></span>教<span class="_ _6"> </span>学<span class="_ _b"></span>的<span class="_ _6"> </span>参<span class="_ _b"></span>考<span class="_ _6"> </span>资<span class="_ _b"></span>料<span class="_ _6"> </span>。<span class="_ _b"></span>由<span class="_ _6"> </span>于<span class="_ _b"></span>作<span class="_ _6"> </span>者<span class="_ _b"></span>水<span class="_ _6"> </span>平<span class="_ _b"></span>所<span class="_ _6"> </span>限<span class="_ _b"></span>,<span class="_ _6"> </span>加<span class="_ _b"></span>之</div><div class="t m0 x1 h6 y14 ff4 fs3 fc0 sc0 ls0 ws0">ORACLE<span class="_ _5"> </span><span class="ff2">的<span class="_ _2"></span>产品<span class="_ _2"></span>与<span class="_ _2"></span>内容<span class="_ _2"></span>的浩<span class="_ _2"></span>瀚<span class="_ _2"></span>,在<span class="_ _2"></span>资料<span class="_ _2"></span>的<span class="_ _2"></span>整理<span class="_ _2"></span>与收<span class="_ _2"></span>集<span class="_ _2"></span>中可<span class="_ _2"></span>能有<span class="_ _2"></span>不<span class="_ _2"></span>少错<span class="_ _2"></span>误<span class="_ _2"></span>和不<span class="_ _2"></span>妥之<span class="_ _2"></span>处<span class="_ _2"></span>,希<span class="_ _2"></span>望</span></div><div class="t m0 x1 h6 y15 ff2 fs3 fc0 sc0 ls0 ws0">读者给予批评制正。</div></div><div class="t m0 x2 h7 y16 ff4 fs4 fc0 sc0 ls0 ws0">2</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div><div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h6 y17 ff3 fs3 fc0 sc0 ls0 ws0"> <span class="_ _2"></span> <span class="ff2">目 <span class="_ _2"></span> 录</span></div><div class="t m0 x1 h6 y8 ff2 fs3 fc0 sc0 ls0 ws0">第一部分 <span class="ff4">Oracle SQL*PLUS<span class="_ _5"> </span></span>基础<span class="ff4">......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>22</span></div><div class="t m0 x1 h6 y9 ff2 fs3 fc0 sc0 ls0 ws0">第一章 <span class="ff4">Oracle<span class="_ _5"> </span></span>数据库基础<span class="ff4">....<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............<span class="_ _2"></span>.....22</span></div><div class="t m0 x3 h6 ya ff4 fs3 fc0 sc0 ls0 ws0">§1.1 <span class="ff2">理解关系数据库系统(</span>RDBMS<span class="ff2">)</span>......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.22</div><div class="t m0 x4 h6 yb ff4 fs3 fc0 sc0 ls0 ws0">§1.1.1 <span class="ff2">关系模型</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.....2<span class="_ _1"></span>2</div><div class="t m0 x4 h6 yc ff4 fs3 fc0 sc0 ls0 ws0">§1.1.2 Codd<span class="_ _5"> </span><span class="ff2">十二法则</span>..<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>....................<span class="_ _2"></span>.....<span class="_ _2"></span>..23</div><div class="t m0 x3 h6 yd ff4 fs3 fc0 sc0 ls0 ws0">§1.2 <span class="ff2">关系数据库系统(</span>RDBMS<span class="ff2">)的组成</span>......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.23</div><div class="t m0 x4 h6 ye ff4 fs3 fc0 sc0 ls0 ws0">§1.2.1 RDBMS <span class="ff2">内核</span>......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>2<span class="_ _1"></span>4</div><div class="t m0 x4 h6 yf ff4 fs3 fc0 sc0 ls0 ws0">§1.2.2 <span class="ff2">数据字典概念</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _1"></span>2<span class="_ _1"></span>4</div><div class="t m0 x3 h6 y10 ff4 fs3 fc0 sc0 ls0 ws0">§1.3 SQL<span class="ff2">、</span>SQL*Plus<span class="_ _5"> </span><span class="ff2">及 </span>PL/SQL........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..............<span class="_ _2"></span>.....<span class="_ _2"></span>...24</div><div class="t m0 x4 h6 y11 ff4 fs3 fc0 sc0 ls0 ws0">§1.3.1 SQL<span class="_ _5"> </span><span class="ff2">和<span class="_ _5"> </span></span>SQL*PLUS<span class="_ _5"> </span><span class="ff2">的差别<span class="_ _1"></span><span class="ff4">.........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.24</span></span></div><div class="t m0 x4 h6 y12 ff4 fs3 fc0 sc0 ls0 ws0">§1.3.2 PL/SQL<span class="_ _5"> </span><span class="ff2">语言</span>.....<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....26</div><div class="t m0 x3 h6 y13 ff4 fs3 fc0 sc0 ls0 ws0">§1.4 <span class="ff2">登录到<span class="_ _5"> </span></span>SQL*PLUS......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....26</div><div class="t m0 x4 h6 y14 ff4 fs3 fc0 sc0 ls0 ws0">§1.4.1 UNIX<span class="_ _5"> </span><span class="ff2">环境</span>..<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>....<span class="_ _2"></span>....27</div><div class="t m0 x4 h6 y15 ff4 fs3 fc0 sc0 ls0 ws0">§1.4.2 W<span class="_ _c"></span>indows NT<span class="_ _5"> </span><span class="ff2">和<span class="_ _5"> </span></span>WINDOWS/2000<span class="_ _5"> </span><span class="ff2">环境<span class="_ _1"></span><span class="ff4">...........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...<span class="_ _2"></span>29</span></span></div><div class="t m0 x3 h6 y18 ff4 fs3 fc0 sc0 ls0 ws0">§1.5 <span class="ff2">常用<span class="_ _5"> </span></span>SQL*PLUS <span class="ff2">附加命令简介</span>.....<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>.....31</div><div class="t m0 x4 h6 y19 ff4 fs3 fc0 sc0 ls0 ws0">§1.5.1 <span class="ff2">登录到<span class="_ _5"> </span></span>SQL*PLUS.......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....31</div><div class="t m0 x4 h6 y1a ff4 fs3 fc0 sc0 ls0 ws0">§1.5.2 EXIT<span class="_ _5"> </span><span class="ff2">和<span class="_ _5"> </span></span>QUIT..<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...32</div><div class="t m0 x4 h6 y1b ff4 fs3 fc0 sc0 ls0 ws0">§1.5.3 DESCRIBE(<span class="ff2">显示表、视图结构</span>).........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...32</div><div class="t m0 x4 h6 y1c ff4 fs3 fc0 sc0 ls0 ws0">§1.5.4 LIST(<span class="ff2">列出</span>)<span class="ff2">命令</span>.......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..33</div><div class="t m0 x4 h6 y1d ff4 fs3 fc0 sc0 ls0 ws0">§1.5.5 Change(<span class="ff2">替换字符串</span>)<span class="ff2">命令</span>.......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.33</div><div class="t m0 x4 h6 y1e ff4 fs3 fc0 sc0 ls0 ws0">§1.5.6 <span class="_ _c"></span>Append<span class="ff2">(追加字符串)命令</span>.......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>......<span class="_ _2"></span>.....34</div><div class="t m0 x4 h6 y1f ff4 fs3 fc0 sc0 ls0 ws0">§1.5.7 Save<span class="_ _5"> </span><span class="ff2">保存当前缓冲区命令到文件</span>....<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>......35</div><div class="t m0 x4 h6 y20 ff4 fs3 fc0 sc0 ls0 ws0">§1.5.8 GET<span class="_ _5"> </span><span class="ff2">将命令文件读到缓冲区</span>.....<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>..............35</div><div class="t m0 x4 h6 y21 ff4 fs3 fc0 sc0 ls0 ws0">§1.5.9 SPOOL<span class="_ _5"> </span><span class="ff2">将信息记录到文件中</span>..<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _2"></span>...35</div><div class="t m0 x4 h6 y22 ff4 fs3 fc0 sc0 ls0 ws0">§1.5.10 <span class="ff2">再运行当前缓冲区的命令</span>......<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.36</div><div class="t m0 x3 h6 y23 ff4 fs3 fc0 sc0 ls0 ws0">§1.6 <span class="ff2">常用数据字典简介</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _c"></span>37</div><div class="t m0 x3 h6 y24 ff4 fs3 fc0 sc0 ls0 ws0">§1.7 ORACLE<span class="_ _5"> </span><span class="ff2">数据类型</span>.....<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............38</div><div class="t m0 x3 h6 y25 ff4 fs3 fc0 sc0 ls0 ws0">§1.8 SQL<span class="_ _c"></span> <span class="ff2">语句基础</span>....................<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....44</div><div class="t m0 x4 h6 y26 ff4 fs3 fc0 sc0 ls0 ws0">§1.8.1 SQL<span class="_ _5"> </span><span class="ff2">语句所用符号</span>...<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.44</div><div class="t m0 x4 h6 y27 ff4 fs3 fc0 sc0 ls0 ws0">§1.8.2 <span class="ff2">简单<span class="_ _5"> </span></span>select <span class="ff2">查询</span>.....<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _1"></span>46</div><div class="t m0 x3 h6 y28 ff4 fs3 fc0 sc0 ls0 ws0">§1.9 <span class="ff2">伪列及伪表</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............4<span class="_ _1"></span>6</div><div class="t m0 x3 h6 y29 ff4 fs3 fc0 sc0 ls0 ws0">§1.10 <span class="ff2">使用<span class="_ _5"> </span></span>SQL<span class="_ _c"></span> W<span class="_ _d"></span>orksheet<span class="_ _5"> </span><span class="ff2">工作</span>.<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.47</div><div class="t m0 x1 h6 y2a ff2 fs3 fc0 sc0 ls0 ws0">第二章 查询基础<span class="ff4">......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _c"></span>51</span></div><div class="t m0 x3 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">§2.1 SELECT<span class="_ _5"> </span><span class="ff2">语句</span>.....<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..51</div><div class="t m0 x3 h6 y2c ff4 fs3 fc0 sc0 ls0 ws0">§2.2 SQL<span class="_ _5"> </span><span class="ff2">中的单记录<span class="ff5">函</span>数</span>..<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.51</div><div class="t m0 x4 h6 y2d ff4 fs3 fc0 sc0 ls0 ws0">§2.2.1 <span class="ff2">单记录字符<span class="ff5">函</span>数</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.52</div><div class="t m0 x4 h6 y2e ff4 fs3 fc0 sc0 ls0 ws0">§2.2.2 <span class="ff2">单记录数字<span class="ff5">函</span>数</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.57</div><div class="t m0 x4 h6 y2f ff4 fs3 fc0 sc0 ls0 ws0">§2.2.3 <span class="ff2">单记录日<span class="ff5">期函</span>数</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.63</div><div class="t m0 x4 h6 y30 ff4 fs3 fc0 sc0 ls0 ws0">§2.2.4 <span class="ff2">单记录<span class="ff5">转</span>换<span class="ff5">函</span>数</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.66</div><div class="t m0 x4 h6 y31 ff4 fs3 fc0 sc0 ls0 ws0">§2.2.5 <span class="ff5">其它<span class="ff2">的单记录</span>函<span class="ff2">数</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.70</div><div class="t m0 x3 h6 y32 ff4 fs3 fc0 sc0 ls0 ws0">§2.3 SQL<span class="_ _5"> </span><span class="ff2">中的组<span class="ff5">函</span>数</span>..<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....75</div></div><div class="t m0 x2 h7 y16 ff4 fs4 fc0 sc0 ls0 ws0">3</div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div><div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h6 y6 ff4 fs3 fc0 sc0 ls0 ws0">§2.3.1 <span class="ff2">多记录组<span class="ff5">函</span>数</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _c"></span>75</div><div class="t m0 x4 h6 y17 ff4 fs3 fc0 sc0 ls0 ws0">§2.3.2 <span class="ff5">带<span class="ff2"> </span></span>GROUP<span class="_ _c"></span> BY <span class="ff2">的计算</span>..<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...76</div><div class="t m0 x4 h6 y7 ff4 fs3 fc0 sc0 ls0 ws0">§2.3.3 <span class="ff2">用 </span>HA<span class="_ _e"></span>VING <span class="ff5">来<span class="ff2">限制分组的计算</span></span>..........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...............<span class="_ _2"></span>.77</div><div class="t m0 x3 h6 y8 ff4 fs3 fc0 sc0 ls0 ws0">§2.4 <span class="ff5">控<span class="ff2">制和</span>格式化输<span class="ff2">出</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _c"></span>78</div><div class="t m0 x4 h6 y9 ff4 fs3 fc0 sc0 ls0 ws0">§2.4.1 <span class="ff2">用 </span>ORDER BY<span class="_ _c"></span> <span class="_ _2"></span><span class="ff2">子句<span class="ff5">来</span>对结<span class="ff5">果</span>进行<span class="ff5">排</span>序</span>.......<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>............<span class="_ _2"></span>.....<span class="_ _2"></span>.78</div><div class="t m0 x4 h6 ya ff4 fs3 fc0 sc0 ls0 ws0">§2.4.2 <span class="ff2">用 </span>BREAK <span class="ff2">命令 <span class="ff5">来</span>对结<span class="ff5">果</span>进行<span class="ff5">排</span>列</span>...........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>78</div><div class="t m0 x4 h6 yb ff4 fs3 fc0 sc0 ls0 ws0">§2.4.3 <span class="ff2">用 </span>COMPUTE <span class="ff2">命令对结<span class="ff5">果</span>进行<span class="ff5">格式化</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>................<span class="_ _2"></span>..81</div><div class="t m0 x3 h6 yc ff4 fs3 fc0 sc0 ls0 ws0">§2.5 <span class="ff5">配置会话<span class="ff2">环境</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.........8<span class="_ _1"></span>4</div><div class="t m0 x4 h6 yd ff4 fs3 fc0 sc0 ls0 ws0">§2.5.1 <span class="_ _c"></span>ARRA<span class="_ _d"></span>YSIZE<span class="ff2">(<span class="ff5">取回</span>的行数)</span>......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..85</div><div class="t m0 x4 h6 ye ff4 fs3 fc0 sc0 ls0 ws0">§2.5.2 <span class="_ _c"></span>AUT<span class="_ _1"></span>OCOMMIT(<span class="ff5">自动<span class="ff2">提</span>交</span>)............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..85</div><div class="t m0 x4 h6 yf ff4 fs3 fc0 sc0 ls0 ws0">§2.5.3 LINESIZE(<span class="ff2">行显示<span class="ff5">宽度</span></span>)........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>....85</div><div class="t m0 x4 h6 y10 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.4 LONG(<span class="ff5">长<span class="ff2">类型显示字</span>节<span class="ff2">数</span></span>).......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>..85</div><div class="t m0 x4 h6 y11 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.5 P<span class="_ _d"></span>AGESIZE(<span class="ff5">页<span class="ff2">行数</span></span>).......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....86</div><div class="t m0 x4 h8 y12 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.6 P<span class="_ _d"></span>AUSE(<span class="ff5">暂停</span>).......<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>............<span class="_ _c"></span>86</div><div class="t m0 x4 h6 y13 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.7 SP<span class="_ _d"></span>ACE(<span class="ff2">列间<span class="ff5">空格</span></span>).......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.................86</div><div class="t m0 x4 h6 y14 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.8 T<span class="_ _d"></span>ermout (<span class="ff5">启</span>/<span class="ff5">停屏幕<span class="ff2">显示</span></span>).......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>....................<span class="_ _2"></span>.....<span class="_ _2"></span>.....86</div><div class="t m0 x4 h6 y15 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.9 ECHO (<span class="ff5">启</span>/<span class="ff5">停<span class="ff2">命令显示</span></span>).........<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>..................87</div><div class="t m0 x4 h8 y18 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.10 <span class="_ _1"></span>TRANSACTION (<span class="ff5">启动事务</span>)............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.87</div><div class="t m0 x4 h6 y19 ff4 fs3 fc0 sc0 ls0 ws0">§2.5.1<span class="_ _c"></span>1 SHOW <span class="_ _c"></span>ALL(<span class="ff2">列出所有参数</span>)...........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>........<span class="_ _c"></span>87</div><div class="t m0 x3 h6 y1a ff4 fs3 fc0 sc0 ls0 ws0">§2.6 <span class="ff5">格式化输<span class="ff2">出</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............8<span class="_ _1"></span>9</div><div class="t m0 x4 h6 y1b ff4 fs3 fc0 sc0 ls0 ws0">§2.6.1 <span class="ff2">一<span class="ff5">般</span>数据的<span class="ff5">格式化输</span>出</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>..............<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.89</div><div class="t m0 x4 h6 y1c ff4 fs3 fc0 sc0 ls0 ws0">§2.6.2 <span class="ff2">日<span class="ff5">期</span>的<span class="ff5">格式化输</span>出</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.....<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.91</div><div class="t m0 x3 h6 y1d ff4 fs3 fc0 sc0 ls0 ws0">§2.7 <span class="ff2">加<span class="ff5">标题</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>..<span class="_ _1"></span>92</div><div class="t m0 x3 h6 y1e ff4 fs3 fc0 sc0 ls0 ws0">§2.8 <span class="ff5">建立<span class="ff2">简单</span>报告</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.........9<span class="_ _1"></span>2</div><div class="t m0 x3 h6 y1f ff4 fs3 fc0 sc0 ls0 ws0">§2.9 <span class="ff5">输入变<span class="ff2">量</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.................9<span class="_ _1"></span>4</div><div class="t m0 x1 h6 y20 ff2 fs3 fc0 sc0 ls0 ws0">第<span class="ff5">三</span>章 表及<span class="ff5">索引</span>的<span class="ff5">定义操</span>作<span class="ff4">......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...97</span></div><div class="t m0 x3 h6 y21 ff4 fs3 fc0 sc0 ls0 ws0">§3.1 <span class="ff5">建立<span class="ff2">表结构</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............9<span class="_ _1"></span>7</div><div class="t m0 x4 h6 y22 ff4 fs3 fc0 sc0 ls0 ws0">§3.1.1 <span class="ff5">建立<span class="ff2">表结构命令</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.97</div><div class="t m0 x4 h6 y23 ff4 fs3 fc0 sc0 ls0 ws0">§3.1.2 <span class="ff5">建立<span class="ff2">表结构例子</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.........<span class="_ _2"></span>....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.99</div><div class="t m0 x4 h6 y24 ff4 fs3 fc0 sc0 ls0 ws0">§3.1.3 <span class="ff5">建立临<span class="ff2">时表结构</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.100</div><div class="t m0 x3 h6 y25 ff4 fs3 fc0 sc0 ls0 ws0">§3.3 <span class="ff5">修改<span class="ff2">表结构</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...........<span class="_ _1"></span>101</div><div class="t m0 x4 h6 y26 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.1 <span class="ff5">修改<span class="ff2">表结构命令</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.102</div><div class="t m0 x4 h6 y27 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.2 <span class="ff5">修改<span class="ff2">表结构例子</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.102</div><div class="t m0 x4 h6 y28 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.3 <span class="ff5">删除<span class="ff2">表结构</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>104</div><div class="t m0 x4 h6 y29 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.4 <span class="ff2">使用<span class="_ _5"> </span></span>CHECK<span class="_ _5"> </span><span class="ff2">作限制<span class="ff5">约束</span></span>..<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...105</div><div class="t m0 x4 h6 y2a ff4 fs3 fc0 sc0 ls0 ws0">§3.3.5 <span class="ff2">使用<span class="_ _5"> </span></span>UNRECOVERABLE<span class="_ _5"> </span><span class="ff5">创建<span class="ff2">表</span></span>....<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.................105</div><div class="t m0 x4 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">§3.3.6 <span class="ff2">将表<span class="ff5">移动</span>到新的数据<span class="ff5">段或</span>新的表<span class="ff5">空</span>间</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>....................<span class="_ _2"></span>.....<span class="_ _2"></span>....106</div><div class="t m0 x4 h6 y2c ff4 fs3 fc0 sc0 ls0 ws0">§3.3.7 <span class="ff5">手<span class="ff2">工分</span>配<span class="ff2">表的存</span>储空<span class="ff2">间</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..107</div><div class="t m0 x4 h6 y2d ff4 fs3 fc0 sc0 ls0 ws0">§3.3.8 <span class="ff5">标<span class="ff2">记不使用的列和</span>删除<span class="ff2">不使用的列</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...108</div><div class="t m0 x3 h6 y2e ff4 fs3 fc0 sc0 ls0 ws0">§3.3 <span class="ff2">主<span class="ff5">键</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>....1<span class="_ _c"></span>10</div><div class="t m0 x4 h6 y2f ff4 fs3 fc0 sc0 ls0 ws0">§3.3.1 <span class="ff5">创建<span class="ff2">主</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>10</div><div class="t m0 x4 h6 y30 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.2 <span class="ff5">改变<span class="ff2">主</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>12</div><div class="t m0 x4 h6 y31 ff4 fs3 fc0 sc0 ls0 ws0">§3.3.3 <span class="ff5">删除<span class="ff2">主</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>13</div><div class="t m0 x3 h6 y32 ff4 fs3 fc0 sc0 ls0 ws0">§3.4 <span class="ff5">外<span class="ff2">部</span>键</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...............<span class="_ _2"></span>....1<span class="_ _c"></span>13</div></div><div class="t m0 x2 h7 y16 ff4 fs4 fc0 sc0 ls0 ws0">4</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div><div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/500333/bg5.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h6 y6 ff4 fs3 fc0 sc0 ls0 ws0">§3.4.1 <span class="ff5">建立外<span class="ff2">部</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........1<span class="_ _c"></span>14</div><div class="t m0 x4 h6 y17 ff4 fs3 fc0 sc0 ls0 ws0">§3.4.2 <span class="ff5">修改外<span class="ff2">部</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........1<span class="_ _c"></span>16</div><div class="t m0 x4 h6 y7 ff4 fs3 fc0 sc0 ls0 ws0">§3.4.3 <span class="ff5">删除外<span class="ff2">部</span>键</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........1<span class="_ _c"></span>16</div><div class="t m0 x3 h8 y8 ff4 fs3 fc0 sc0 ls0 ws0">§3.5 <span class="ff5">索引</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>....1<span class="_ _c"></span>16</div><div class="t m0 x4 h8 y9 ff4 fs3 fc0 sc0 ls0 ws0">§3.5.1 <span class="ff5">建立索引</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>16</div><div class="t m0 x4 h8 ya ff4 fs3 fc0 sc0 ls0 ws0">§3.5.2 <span class="ff5">修改索引</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>18</div><div class="t m0 x4 h8 yb ff4 fs3 fc0 sc0 ls0 ws0">§3.5.3 <span class="ff5">删除索引</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...............1<span class="_ _c"></span>19</div><div class="t m0 x3 h6 yc ff4 fs3 fc0 sc0 ls0 ws0">§3.6 <span class="ff2">新<span class="ff5">索引</span>类型</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _2"></span>....1<span class="_ _c"></span>19</div><div class="t m0 x4 h6 yd ff4 fs3 fc0 sc0 ls0 ws0">§3.6.1 <span class="ff2">基于<span class="ff5">函</span>数的<span class="ff5">索引</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>................<span class="_ _c"></span>119</div><div class="t m0 x4 h8 ye ff4 fs3 fc0 sc0 ls0 ws0">§3.6.2 <span class="ff5">反向键索引</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>121</div><div class="t m0 x4 h6 yf ff4 fs3 fc0 sc0 ls0 ws0">§3.6.3 <span class="ff5">索引<span class="ff2">组</span>织<span class="ff2">表</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>121</div><div class="t m0 x3 h6 y10 ff4 fs3 fc0 sc0 ls0 ws0">§3.7 <span class="ff5">抽象<span class="ff2">数据类型的使用</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.123</div><div class="t m0 x3 h6 y11 ff4 fs3 fc0 sc0 ls0 ws0">§3.8 <span class="ff2">大数据类型的使用</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>124</div><div class="t m0 x4 h6 y12 ff4 fs3 fc0 sc0 ls0 ws0">§3.8.1 <span class="ff2">可用数据类型</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.124</div><div class="t m0 x4 h6 y13 ff4 fs3 fc0 sc0 ls0 ws0">§3.8.2 <span class="ff2">为<span class="_ _5"> </span></span>LOB<span class="_ _5"> </span><span class="ff2">数据类型<span class="ff5">指定</span>存<span class="ff5">储<span class="_ _1"></span><span class="ff4">.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.....<span class="_ _2"></span>.<span class="_ _1"></span>124</span></span></span></div><div class="t m0 x4 h6 y14 ff4 fs3 fc0 sc0 ls0 ws0">§3.8.3 <span class="ff5">操<span class="ff2">作和</span>检索<span class="_ _5"> </span></span>LOB<span class="_ _5"> </span><span class="ff2">数据<span class="_ _1"></span><span class="ff4">.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _2"></span>.<span class="_ _1"></span>126</span></span></div><div class="t m0 x3 h6 y15 ff4 fs3 fc0 sc0 ls0 ws0">§3.9 <span class="ff2">表和<span class="ff5">索引</span>有关的数据字典</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..129</div><div class="t m0 x4 h6 y18 ff4 fs3 fc0 sc0 ls0 ws0">§3.9.1 <span class="ff2">表和<span class="ff5">索引</span>数据字典</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..129</div><div class="t m0 x4 h6 y19 ff4 fs3 fc0 sc0 ls0 ws0">§3.9.2 <span class="ff2">数据字典查询例子</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..129</div><div class="t m0 x1 h6 y1a ff2 fs3 fc0 sc0 ls0 ws0">第<span class="ff5">四</span>章 视图、同<span class="ff5">义词</span>和序列<span class="ff4">......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..133</span></div><div class="t m0 x3 h6 y1b ff4 fs3 fc0 sc0 ls0 ws0">§4.1 <span class="ff2">视图</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _2"></span>...<span class="_ _1"></span>133</div><div class="t m0 x4 h6 y1c ff4 fs3 fc0 sc0 ls0 ws0">§4.1.1 <span class="ff2">使用视图<span class="ff5">来修改</span>表中数据</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..133</div><div class="t m0 x4 h6 y1d ff4 fs3 fc0 sc0 ls0 ws0">§4.1.2 <span class="ff5">创建<span class="ff2">一个新视图</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.133</div><div class="t m0 x4 h6 y1e ff4 fs3 fc0 sc0 ls0 ws0">§4.1.3 <span class="ff5">删除<span class="ff2">一个视图</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.135</div><div class="t m0 x4 h6 y1f ff4 fs3 fc0 sc0 ls0 ws0">§4.1.4 <span class="ff5">改变<span class="ff2">视图</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...<span class="_ _1"></span>136</div><div class="t m0 x3 h6 y20 ff4 fs3 fc0 sc0 ls0 ws0">§4.2 <span class="ff2">实体视图</span>(MA<span class="_ _e"></span>TERIALIZED<span class="_ _2"></span> VIEW)<span class="_ _1"></span>..........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...............<span class="_ _2"></span>....136</div><div class="t m0 x4 h6 y21 ff4 fs3 fc0 sc0 ls0 ws0">§4.2.1 <span class="ff5">创建<span class="ff2">实体视图</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.136</div><div class="t m0 x4 h6 y22 ff4 fs3 fc0 sc0 ls0 ws0">§4.2.2 <span class="ff5">创建<span class="ff2">实体视图日</span>志</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..142</div><div class="t m0 x4 h6 y23 ff4 fs3 fc0 sc0 ls0 ws0">§4.2.3 <span class="ff5">修改<span class="ff2">实体视图</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>..........<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.144</div><div class="t m0 x4 h6 y24 ff4 fs3 fc0 sc0 ls0 ws0">§4.2.4 <span class="ff5">修改<span class="ff2">实体视图日</span>志</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..145</div><div class="t m0 x3 h6 y25 ff4 fs3 fc0 sc0 ls0 ws0">§4.3 <span class="ff2">序号</span>(sequence)......<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...146</div><div class="t m0 x4 h6 y26 ff4 fs3 fc0 sc0 ls0 ws0">§4.3.1 <span class="ff5">建立<span class="ff2">序号</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...<span class="_ _1"></span>146</div><div class="t m0 x4 h6 y27 ff4 fs3 fc0 sc0 ls0 ws0">§4.3.2 <span class="ff5">修改<span class="ff2">序号</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...<span class="_ _1"></span>147</div><div class="t m0 x4 h6 y28 ff4 fs3 fc0 sc0 ls0 ws0">§4.3.3 <span class="ff2">使用序号</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...<span class="_ _1"></span>147</div><div class="t m0 x4 h6 y29 ff4 fs3 fc0 sc0 ls0 ws0">§4.3.4 <span class="ff5">删除<span class="ff2">序号</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...<span class="_ _1"></span>148</div><div class="t m0 x3 h6 y2a ff4 fs3 fc0 sc0 ls0 ws0">§4.4 <span class="ff2">同<span class="ff5">义词</span></span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>...................<span class="_ _1"></span>148</div><div class="t m0 x4 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">§4.4.1 <span class="ff5">建立<span class="ff2">同</span>义词</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>148</div><div class="t m0 x4 h6 y2c ff4 fs3 fc0 sc0 ls0 ws0">§4.4.2 <span class="ff5">删除<span class="ff2">同</span>义词</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>...........<span class="_ _c"></span>149</div><div class="t m0 x3 h6 y2d ff4 fs3 fc0 sc0 ls0 ws0">§4.5 <span class="ff2">视图、同<span class="ff5">义词</span>和序列有关的数据字典</span>........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>................<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>...150</div><div class="t m0 x1 h6 y2e ff2 fs3 fc0 sc0 ls0 ws0">第<span class="ff5">五</span>章 <span class="ff5">簇</span>与分区<span class="ff4">......<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.......<span class="_ _c"></span>151</span></div><div class="t m0 x3 h8 y2f ff4 fs3 fc0 sc0 ls0 ws0">§5.1 <span class="ff5">簇</span>( cluster )........<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>......<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>.....<span class="_ _2"></span>..151</div><div class="t m0 x4 h6 y30 ff4 fs3 fc0 sc0 ls0 ws0">§5.1.0 <span class="ff5">簇<span class="ff2">概念</span></span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _1"></span>151</div><div class="t m0 x4 h8 y31 ff4 fs3 fc0 sc0 ls0 ws0">§5.1.1 <span class="ff5">建立簇</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _1"></span>153</div><div class="t m0 x4 h8 y32 ff4 fs3 fc0 sc0 ls0 ws0">§5.1.2 <span class="ff5">改变簇</span>.........<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.............<span class="_ _1"></span>............<span class="_ _1"></span>.......<span class="_ _1"></span>156</div></div><div class="t m0 x2 h7 y16 ff4 fs4 fc0 sc0 ls0 ws0">5</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>