如何获取一个数据库中的所有表的名称、一个表中所有字段的名称? 1、如何用SQL获取一个数据库中的所有表的名称; 2、如何用SQL获取一个表中所有字段的名称; ! good2speed(Goodspeed) 于 2005-5-19 11:56:43 1、如何用SQL获取一个数据库中的所有表的名称; SELECT * FROM sysobjects WHERE xtype='u' 2、如何用SQL获取一个表中所有字段的名称; SELECT c.name,o.name FROM syscolumns AS c INNER JOIN sysobjects AS o ON c.id = o.id pbsql(风云) 于 2005-5-19 11:56:59 select name from sysobjects where xtype='U' select name from syscolumns where id=object_id(N'表明') paoluo(一天到晚游泳的鱼) 于 2005-5-19 11:59:42 Select Name from sysobjects where Type='U' Select Name from syscolumns where ID=OBJECT_ID(N'TableName') Order By ColID mengzulin(Julian) 于 2005-5-19 12:02:14 SELECT dbo.sysobjects.name AS [table], dbo.syscolumns.name AS columns FROM dbo.sysobjects INNER JOIN dbo.syscolumns ON dbo.sysobjects.id = dbo.syscolumns.id WHERE (dbo.sysobjects.xtype = 'u') dazhu2(边城浪子【倚天不出,谁与争锋】) 于 2005-5-19 12:12:11 学习 huangdun(惇惇) 于 2005-5-19 12:18:27 select name from sysobjects where xtype='U' select name from syscolumns where id=object_id(N'name') good2speed(Goodspeed) 于 2005-5-19 12:20:35 1、如何用SQL获取一个数据库中的所有表的名称; SELECT * FROM sysobjects WHERE xtype='u' 2、如何用SQL获取一个表中所有字段的名称; SELECT c.name,o.name FROM syscolumns AS c INNER JOIN sysobjects AS o ON c.id = o.id xluzhong(Ralph) 于 2005-5-19 12:48:03 --查询表结构信息 --邹老大的 SELECT 表名=case when a.colorder=1 then d.name else '' end, 表说明=case when a.colorder=1 then isnull(f.value,'') else '' end, 字段序号=a.colorder, 字段名=a.name, 标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid ))) then '√' else '' end, 类型=b.name, 占用字节数=a.length, 长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 允许空=case when a.isnullable=1 then '√'else '' end, 默认值=isnull(e.text,''), 字段说明=isnull(g.[value],'') FROM syscolumns a left join systypes b on a.xusertype=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 sysproperties g on a.id=g.id and a.colid=g.smallid left join sysproperties f on d.id=f.id and f.smallid=0 --where d.name='要查询的表' --如果只查询指定表,加上此条件 order by a.id,a.colorder
先创建一个视图 Create view fielddesc as select o.name as table_name,c.name as field_name,t.name as type,c.length as length,c.isnullable as isnullable,convert(varchar(30),p.value) as desp from syscolumns c join systypes t on c.xtype = t.xusertype join sysobjects o on o.id=c.id left join sysproperties p on p.smallid=c.colid and p.id=o.id where o.xtype='U' 查询时: Select * from fielddesc where table_name = '你的表名' 还有个更强的语句,是邹建写的,也写出来吧 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', (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', isnull(g.[value],') AS N'字段说明' --into ##tx 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 sysproperties g on a.id=g.id AND a.colid = g.smallid order by object_name(a.id),a.colorder