复制代码 代码如下:SELECT (case when a.colorder=1 then d.name else \’\’ end) as 表名,–如果表名相同就返回空 syscolumns(表字段信息表) a sysobjects d 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, –返回IsIdentity的值，IsIdentity只有两个值：0、1 (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, –systypes b 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, –syscomments e isnull(g.[value],\’\’ ) AS 字段说明 –sys.extended_properties g (字段信息表)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=\’systempara\’ –所要查询的表 order by a.id,a.colorder
