?? 1182.htm
字號:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>sql字符串函數 - 編程入門網</title>
<meta name="keywords" content="sql字符串函數">
<meta name="description" content="sql字符串函數">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link href="/images/style.css" rel="stylesheet" type="text/css" />
<script src="/js1/head.js"></script>
</head>
<body leftmargin="0" topmargin="0" bgcolor="#efefef" oncopy=nocopy()>
<TABLE width="760" cellPadding="0" cellSpacing="0" bgcolor="#eff7fe" align="center">
<TR>
<TD><a href="/index.htm"><img src="/images/logo1.gif" width="150" height="60" border="0"></a></TD>
<TD width="470" align="right"><script src="/js1/top.js"></script></TD>
<TD width="125" align="center"><script src="/js1/topsy.js"></script></TD>
</TR>
</TABLE>
<table width="760" border="0" cellpadding="1" cellspacing="0" class="bklan" align="center">
<tr>
<td align="center" bgcolor="#eff7fe" height="24"> | <a href='/Programming/index.htm'>編程語言</a> | <a href='/webkf/index.htm'>web開發</a> | <a href='/data/index.htm'>數據庫</a> | <a href='/Network/index.htm'>網絡技術</a> | <a href='/OS/index.htm'>操作系統</a> | <a href='/Servers/index.htm'>服務器</a> | <a href='/web/index.htm'>網頁設計</a> | <a href='/Design/index.htm'>圖形設計</a> | <a href='/Office/index.htm'>辦公軟件</a> | <a href='/soft/index.htm'>常用軟件</a> | <a href='/shadu/index.htm'>殺毒頻道</a> | <a href='/PC/index.htm'>學電腦</a> |</td>
</tr>
</table>
<table cellspacing="0" cellpadding="0" width="760" align="center" bgcolor="#ffffff" border="0">
<tr>
<td align="center"><script src="/js1/content1.js"></script></td>
</tr>
</table>
<table width="760" border="0" cellpadding="0" cellspacing="0" align="center">
<tr>
<td height="25" background="/templets/img/31bg3.gif" align="left" class="guidet"> → 當前位置:<a href='http://www.bianceng.cn/'>首頁</a>→<a href='/data/index.htm'>數據庫</a>→<a href='/data/SQLServer/index.htm'>SQL Server</a>→<a href='/data/SQLServer/jc/index.htm'>SQL Server教程</a>→正文</td>
</tr>
</table>
<table width="760" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
<tr>
<td valign="top" class="guidet" width="595"><table width="100%" border="0" cellpadding="0" cellspacing="0" class="ct">
<tr>
<td align="center" valign="middle" class="til"><h3> sql字符串函數 </h3>
發布時間:2007-05-23 來源:本站 作者:佚名<br />
<script src="/js1/468.js"></script>
</td>
</tr>
<tr>
<td style="font-size:14px" align="left" class="til"><table border="0" align="right" cellpadding="0" cellspacing="0">
<tr>
<td align="center"><script src="/js1/300.js"></script></td>
</tr>
</table><p>字符串函數如下表所示:</p>
<table style="WIDTH: 390px; HEIGHT: 1066px" width="390" border="1">
<tbody>
<tr>
<td>函數</td>
<td>參數</td>
<td>功能</td>
</tr>
<tr>
<td>+</td>
<td>(expression,expression)</td>
<td>連接兩個或多個字符串,二進制串,列名</td>
</tr>
<tr>
<td>ASCⅡ</td>
<td>(char_expr)</td>
<td>返回表達式中最左邊一個字符的ASCⅡ值</td>
</tr>
<tr>
<td>CHAR</td>
<td>(integer_expr)</td>
<td>返回整數所代表的ASCⅡ值對應的字符</td>
</tr>
<tr>
<td>LOWER</td>
<td>(char_expr)</td>
<td>將大寫字符轉換為小寫字符</td>
</tr>
<tr>
<td>UPPER</td>
<td>(char_expr)</td>
<td>將小寫字符轉換為大寫字符</td>
</tr>
<tr>
<td>LTRIM</td>
<td>(char_expr)</td>
<td>刪除字符串開始部分的空格</td>
</tr>
<tr>
<td>RTRIM</td>
<td>(char_expr)</td>
<td>刪除字符串尾部的空格</td>
</tr>
<tr>
<td>RIGHT</td>
<td>(char_expr,integer_expr)</td>
<td>返回char_expr字符串中integer_expr個字符以后的部分字符串,integer_expr為負時,返回NULL</td>
</tr>
<tr>
<td>SPACE</td>
<td>(integer_expr)</td>
<td>返回一個由空格組成的字符串,空格等于integer_expr值,integer_expr為負時,返回NULL</td>
</tr>
<tr>
<td>STR</td>
<td>(float_expr[,length[,decimal]])</td>
<td>將一個數值型數據轉換為字符串,length為字符串的長度,decimal為小數點的位數</td>
</tr>
<tr>
<td>STUFF</td>
<td>(char_expr1,start,length,char_expr2)</td>
<td>從char_expr1字符的start個字符位置處刪除length個字符,然后把char_expr2字符串插入到char_expr1的start處</td>
</tr>
<tr>
<td>SUBSTRING</td>
<td>(expression,start,length)</td>
<td>從expression的第start個字符處返回length個字符</td>
</tr>
<tr>
<td>REVERSE</td>
<td>(char_expr)</td>
<td>返回char_expr的逆序</td>
</tr>
<tr>
<td>CHARINDEX</td>
<td>('pattern',expression)</td>
<td>返回指定pattern字符串在表達式中的起始位置</td>
</tr>
<tr>
<td>DIFFERENCE</td>
<td>(char_expr1,char_expr2)</td>
<td>比較兩個字符串,返回它們的相似性,返回值為1~4</td>
</tr>
<tr>
<td>PATINDEX</td>
<td>('%prattern%',expression)</td>
<td>返回expression中首次出現pattern的起始位置</td>
</tr>
<tr>
<td>REPLICATE</td>
<td>(char_expr,integer_expr)</td>
<td>返回一個由char_expr重復integer_expr次組成的字符串</td>
</tr>
<tr>
<td>SOUNDEX</td>
<td>(char_expr)</td>
<td>返回一個四代碼,說明字符串讀音的相似性</td>
</tr>
</tbody>
</table><center><br /><script src="/js1/4682.js"></script></center>
<p>上一篇:<a href='/data/SQLServer/jc/200705/1181.htm'>sql數學函數</a> 下一篇:<a href='/data/SQLServer/jc/200705/1183.htm'>sql的日期函數</a> </p></td>
</tr>
<tr>
<td align="left" style="font-size:14px;" height="25"><IMG src="/images/t0.gif" width="12" height="12" align=absMiddle><strong>相關文章</strong><br /><table width='100%' border='0' cellspacing='0' cellpadding='0'>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1181.htm">sql數學函數</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1183.htm">sql的日期函數</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1180.htm">sql集合函數</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1184.htm">sql基本語句</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1179.htm">sql類型轉換函數及文本和圖像函數</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1185.htm">sql的變量和運算符</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1178.htm">sql數據表</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1186.htm">sql數據類型</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1177.htm">sql表修改語句</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1187.htm">sql語言的發展歷史</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1176.htm">sql 索引視圖</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1188.htm">Sql語言基礎</a><br/>
</td>
</tr>
<tr>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1175.htm">sql查詢語句</a><br/>
</td>
<td width='50%'>
·<a href="/data/SQLServer/jc/200705/1189.htm">sql語言教程</a><br/>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="165" valign="top" class="guideb"><script src="/js1/1601.js"></script><table width="100%" border="0" cellpadding="0" cellspacing="0" valign="top">
<tr>
<td height="25" align="center" background="/templets/img/31bg3.gif"><strong>閱讀排行</strong></td>
</tr>
<tr>
<td>·<a href="/data/SQLServer/jc/200712/6352.htm">MS SQL Server入門教程</a><br/>
·<a href="/data/SQLServer/jc/200807/10974.htm">MS SQL基礎教程:存儲過程</a><br/>
·<a href="/data/SQLServer/jc/200705/1189.htm">sql語言教程</a><br/>
·<a href="/data/SQLServer/jc/200807/10973.htm">MS SQL基礎教程:創建存儲</a><br/>
·<a href="/data/SQLServer/jc/200712/6301.htm">MS SQL基礎教程:SQL Serve</a><br/>
·<a href="/data/SQLServer/jc/200712/6302.htm">MS SQL基礎教程:SQL Serve</a><br/>
·<a href="/data/SQLServer/jc/200712/6314.htm">MS SQL基礎教程:數據類型</a><br/>
·<a href="/data/SQLServer/jc/200705/1188.htm">Sql語言基礎</a><br/>
·<a href="/data/SQLServer/jc/200712/6311.htm">MS SQL基礎教程:Transact-</a><br/>
·<a href="/data/SQLServer/jc/200712/6312.htm">MS SQL基礎教程:SQL變量</a><br/>
·<a href="/data/SQLServer/jc/200705/1184.htm">sql基本語句</a><br/>
·<a href="/data/SQLServer/jc/200807/10972.htm">MS SQL基礎教程:管理存儲</a><br/>
·<a href="/data/SQLServer/jc/200712/6306.htm">MS SQL基礎教程:數據庫基</a><br/>
·<a href="/data/SQLServer/jc/200705/1178.htm">sql數據表</a><br/>
·<a href="/data/SQLServer/jc/200705/1177.htm">sql表修改語句</a><br/>
</td>
</tr>
<tr>
<td><script src="/js1/1602.js"></script></td>
</tr>
<tr>
<td height="25" align="center" background="/templets/img/31bg3.gif"><strong>最新文章</strong></td>
</tr>
<tr>
<td><script src="/plus/js/0.js" language="javascript"></script></td>
</tr>
</table></td>
</tr>
</table>
<table cellspacing="0" cellpadding="0" width="760" align="center" bgcolor="#ffffff" border="0">
<tr>
<td align="center"><script src="/js1/content2.js"></script></td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr height="26">
<td bgcolor="#e1f0fd" width="48"></td>
<td bgcolor="#6ab3f4" width="35"></td>
<td bgcolor="#0a518f" colspan="2" width="4"></td>
<td bgcolor="#c0c0c0" width="530" align="center"><a title="將本站設為你的首頁" onclick="this.style.behavior='url(#default#homepage)';this.sethomepage('http://www.bianceng.cn');return false;" href="http://www.bianceng.cn/">設為首頁</a> | <a class="navmenu"
title="將本站加入到你的收藏夾"
href="javascript:window.external.AddFavorite(location.href,document.title)">加入收藏</a> | <a href="/about/about.htm">關于本站</a> | <a href="/plus/flink.php">友情鏈接</a> | <a href="/about/banquan.htm">版權聲明</a> | <a href="/plus/sitemap.html">網站地圖</a> | <a href="/plus/rssmap.html">RSS訂閱</a></td>
<td bgcolor="#0a518f" colspan="2" width="4"></td>
<td bgcolor="#6ab3f4" width="32"></td>
<td bgcolor="#e1f0fd" width="47"></td>
</tr>
<tr height="26">
<td colspan="9" bgcolor="#FFFFFF" align="center">編程入門網 版權所有,bianceng.cn,All Rights Reserved. <script src="/js/tongji.js"></script> 閱讀次數:<script src="/plus/count.php?aid=1182&mid=0" language="javascript"></script></td>
</tr>
</table>
</body>
</html>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -