SQLserver中取得表名及字段名的SQL语句是什么
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这篇文章给大家分享的是SQLserver中获取表名及字段名的SQL语句是什么。小编觉得挺实用的，因此分享给大家做个参考，文中的介绍得很详细，而要易于理解和学习，有需要的朋友可以参考，接下来就跟随小编一起了解看看吧。 本文向大家介绍了使用SQL语句提取数据库所有表的表名、字段名的实例代码，在SQLserver 中进行了测试，具体内容如下： --查询所有用户表所有字段的特征 SELECT D.Name as TableName, A.colorder AS ColOrder, A.name AS Name, COLUMNPROPERTY(A.ID,A.Name, 'IsIdentity') AS IsIdentity, CASE WHEN EXISTS (SELECT 1 FROM dbo.sysobjects WHERE Xtype = 'PK' AND Name IN (SELECT Name FROM sysindexes WHERE indid IN (SELECT indid FROM sysindexkeys WHERE ID = A.ID AND colid = A.colid))) THEN 1 ELSE 0 END AS 主键, B.name AS 类型, A.length AS [长度], A.xprec AS [精度], A.xscale AS [小数], CASE WHEN A.isnullable = 1 THEN 1 ELSE 0 END AS [可为空], ISNULL(E.text, ' ') AS [默认值], ISNULL(G.[value], ' ') AS [说明] FROM dbo.syscolumns A LEFT OUTER JOIN dbo.systypes B ON A.xtype = B.xusertype INNER JOIN dbo.sysobjects D ON A.id = D.id AND D.xtype = 'U' AND D.name <> 'dtproperties' LEFT OUTER JOIN dbo.syscomments E ON A.cdefault = E.id LEFT OUTER JOIN dbo.sysproperties G ON A.id = G.id AND A.colid = G.smallid --WHERE D.Name='tablename' --如果找指定表,把注释去掉 ORDER BY 1, 2 ------在SQLserver 2005中测试 --查询所有用户表所有字段的特征 SELECT (case when a.colorder=1 then d.name else '' end) as 表名,--如果表名相同就返回空 a.colorder as 字段序号, a.name as 字段名, (case when COLUMNPROPERTY( a.id,a.name, 'IsIdentity' )=1 then '' else '' end) as 标识, (case when (SELECT count(*) FROM sysobjects--查询主键 WHERE (name in (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid in (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid in (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name)) ))))) AND (xtype = 'PK' ))>0 then '' else '' end) as 主键,--查询主键END b.name as 类型, a.length as 占用字节数, COLUMNPROPERTY(a.id,a.name,'PRECISION' ) as 长度, isnull(COLUMNPROPERTY(a.id,a.name,'Scale' ),0) as 小数位数, (case when a.isnullable=1 then '' else '' end) as 允许空, isnull(e.text,'' ) as 默认值, isnull(g.[value],'' ) AS 字段说明 FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<> 'dtproperties' left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id --where d.name='PE_U_ValliMessage' --所要查询的表 order by a.id,a.colorder ------提取某个表的字段名 SELECT (case when a.colorder=1 then d.name else '' end) N'表名', a.colorder N'字段序号', a.name N'字段名', isnull(g.[value],'') AS N'字段说明', (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then ''else '' end) N'标识', (case when (SELECT count(*) FROM sysobjects WHERE (name in (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid in (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid in (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK'))>0 then '' else '' end) N'主键', b.name N'类型', a.length N'占用字节数', COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'长度', isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小数位数', (case when a.isnullable=1 then ''else '' end) N'允许空', isnull(e.text,'') N'默认值' FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id --where条件输入表名 where d.name='ConsumeBillBody' order by object_name(a.id),a.colorder 以上就是关于“SQLserver中获取表名及字段名的SQL语句是什么”的介绍了，感谢各位的阅读，如果大家想要了解更多相关的内容，小编每天都会为大家更新不同的知识。 （编辑：银川站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
