sql查詢表結構的語句
select
( case when a.colorder = 1 then d.name else '' end ) 表名,
a.colorder 字段序號,
a.name 欄位名,
( case when columnproperty (a.id,a.name,'isidentity') = 1 then '√' else '' end ) 標識,
( case when (
select count(*) from sysobjects
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 ) 主鍵,
b.name 型別,
a.length 位元組數, columnproperty ( a.id,a.name ,'precision' ) as 長度,
isnull ( columnproperty ( a.id,a.name ,'scale'),0) as 小數字數,
(case when a.isnullable = 1 then '√' else '' end ) 允許空,
isnull ( e.text,'') 預設值,
isnull (g.[value],'' ) as 字段說明
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
where d.name='tb_latency_cust'----寫上自己要查詢的表名
order by a.id ,a.colorder
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