select
表名=case when a.colorder=1 then d.name else '' end,
字段序號=a.colorder,
欄位名=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,
型別=b.name,
用位元組數=a.length,
長度=columnproperty(a.id,a.name,'precision'),
小數字數=isnull(columnproperty(a.id,a.name,'scale'),0),
允許空=case when a.isnullable=1 then '√'else '' end,
預設值=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.**allid
order by a.id,a.colorder
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