select
表名=case when a.colorder=1 then d.name else '' end,
表說明=case when a.colorder=1 then isnull(f.value,'') else '' end,
字段序號=a.colorder,
字段名=a.name,
標識=case when columnproperty( a.id,a.name,'isidentity')=1 then '√'else '' end,
主鍵=case when exists(select 1 from sysobjects where xtype='pk' 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,
類型=b.name,
占用字節數=a.length,
長度=columnproperty(a.id,a.name,'precision'),
小數位數=isnull(columnproperty(a.id,a.name,'scale'),0),
允許空=case when a.isnullable=1 then '√'else '' end,
默認值=isnull(e.text,''),
字段說明=isnull(g.[value],'')
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
left join sysproperties f on d.id=f.id and f.smallid=0
--where d.name='要查詢的表' --如果只查詢指定表,加上此條件
order by a.id,a.colorder
