--查询表结构start SELECT 序号 = a.colorder,字段名称 = a.name,字段描述 = f.value, 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, 长度 = COLUMNPROPERTY(a.id,a.name,\'PRECISION\'), 允许空 = case when a.isnullable = 1 then \'√\' else \'\' end, 默认值 = isnull(e.text,\'\') 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 sys.extended_properties f on f.major_id = d.id and f.minor_id = a.colorder where d.name=\'表名\' order by a.id,a.colorder --查询表结构end