获取SQL表的字段信息

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 sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id order by object_name(a.id),a.colorder

SELECT (case when a.colorder=1 then d.name else '' end) N'tableName', a.id, a.colorder N'OrderId', a.name N'ColumnName', (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '1'else '0' end) N'IsIdentity', (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 '1' else '0' end) N'Pk', b.name N'DataType', a.length N'Length', COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'Precision', isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'Scale', (case when a.isnullable=1 then '1'else '0' end) N'IsNull', a.iscomputed,isnull(e.text,'') N'Default', isnull(g.[value],'') AS N'Description' --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 sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id order by object_name(a.id),a.colorder 

SELECT   表名 = c.name ,索引名称 = a.name , 索引字段名 = d.name , 索引字段位置 = d.colidFROM    sysindexes a        JOIN sysindexkeys b ON a.id = b.id  AND a.indid = b.indid        JOIN sysobjects c ON b.id = c.id        JOIN syscolumns d ON b.id = d.id AND b.colid = d.colidWHERE  c.xtype='U' --查所有用户表       --   AND c.name = 'ORDER' --查指定表  ORDER BY c.name , a.name , d.name