--查詢表結構資訊：
select
(case when a.colorder=1 then (i.[name]+'.'+d.[name]) else '' end) 表名,
a.name 欄位名,
isnull(g.[value], ' ') as [說明],
a.colorder 字段序號,
(case when
(select count(1) 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,
(case when columnproperty( a.id,a.name,'isidentity')=1 then '√'else '' end) 標識,
a.length 占用位元組數,
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
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 sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id
left join sys.schemas i on d.uid=i.schema_id
where b.name is not null
--and d.name in ('deductinstruction','dun','entry','subject')
--and d.name='要查詢的表' --如果只查詢指定表,加上此條件
order by i.[name],d.[name],a.colorder
--查詢本資料庫架構與表名
select (s.[name]+'.'+t.[name]) tb,s.[name] [schema], t.[name] tablename
--,('select * from ['+s.[name]+'].['+t.[name]+'];') ssf
from sys.tables t,sys.schemas s
where t.schema_id = s.schema_id and t.[type] = 'u'
order by s.[name],t.[name]
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