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<td align="center" valign="middle" class="til"><h3> 将SQL Server中所有表的列信息显示出来 </h3>
发布时间：2007-12-26 来源：网络/责编：编程入门 作者：佚名<br />
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</table><p> 正在作一个关于SQL SERVER数据库导入Excel文件的程序，要读取数据库中的列的信息，从网上找了很多资料，终于总结出来比较理想的sql语句，执行后返回的列分别是：表名、列名、列类型、列长度、列描述、是否主键，语句如下：<code>1 Select Sysobjects.Name As Tb_name, Syscolumns.Name As Col_name, Systypes.Name As Col_type, Syscolumns.Length As Col_len, Isnull(Sysproperties.Value,Syscolumns.Name) As Col_memo,<br />2 Case When Syscolumns.Name In<br />3 (Select 主键=A.Name<br />4 From Syscolumns A<br />5 Inner Join Sysobjects B On A.Id=B.Id And B.Xtype='U' And B.Name<>'Dtproperties'<br />6 Where Exists(Select 1 From Sysobjects Where Xtype='Pk' And Name In (<br />7 Select Name From Sysindexes Where Indid In(<br />8 Select Indid From Sysindexkeys Where Id = A.Id And Colid=A.Colid<br />9 )))<br />10 And B.Name=Sysobjects.Name<br />11 )<br />12 Then 1 Else 0 End As Is_key<br />13<br />14 From Sysobjects,Systypes,Syscolumns<br />15 Left Join Sysproperties On (Syscolumns.Id = Sysproperties.Id And<br />16 Syscolumns.Colid = Sysproperties.Smallid)<br />17<br />18 Where (Sysobjects.Xtype ='U' Or Sysobjects.Xtype ='V')<br />19 And Sysobjects.Id = Syscolumns.Id And Systypes.Xtype = Syscolumns.Xtype<br />20 And Systypes.Name <> 'Sysname' And Sysobjects.Name Like '%' Order By Sysobjects.Name, Syscolumns.Colid</code></p>
<p> 结果如图：</p>
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<p>上一篇：<a href='/data/SQLServer/jc/200712/6354.htm'>SQL Server连接基础知识</a> 下一篇：<a href='/data/SQLServer/jc/200712/6356.htm'>Oracle与SQL Server的互连</a> </p></td>
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