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 aleft join systypes b on a.xusertype=b.xusertypeinner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'left join syscomments e on a.cdefault=e.idleft join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0--where d.name='TableName' --如果只查询指定表,加上此条件order by a.id,a.colorder
OR
select c.name as cname,c.prec AS Prec,c.isnullable AS isnullable,[IsPk]=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=c.id and name in (SELECT name FROM sysindexes WHERE indid in(SELECT indid FROM sysindexkeys WHERE id = c.id AND colid=c.colid))) then '1' else '0' end,[defaultval]=isnull(e.text,''),t.name as tname ,(select value from sys.extended_properties as ex where ex.major_id = c.id and ex.minor_id = c.colid) as notes from syscolumns as c inner join sys.tables as ta on c.id=ta.object_id inner join (select name,system_type_id from sys.types where name<>'sysname') as t on c.xtype=t.system_type_id left join syscomments e on c.cdefault=e.idwhere ta.name='TestTb' order by c.colid
