--一句Sql把表结构全部查询出来
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,
字段说明 = isnull(G.[value],\'\'),
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,\'\')
FROM
syscolumns A
Left Join
systypes B
On
A.xusertype=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.extended_properties F
On
D.id=F.major_id and F.minor_id=0
--where d.name=\'OrderInfo\' --如果只查询指定表,加上此条件
Order By
A.id,A.colorder
--查询数据库所有表，视图，储存过程名
select * from sysobjects
--where xtype=\'U\' --表名
--WHERE xtype=\'V\' --视图名
--where xtype=\'PK\' --主键
--WHERE xtype=\'P\' --存储过程
--ORDER BY name ASC