SqlServer2005数据库查找所有表和字段及其属性和约束的sql语句

概述SqlServer2005数据库所有表和字段及其属性 简单的Sql： 1、查找表的所有索引（包括索引名，类型，构成列）： select t.*,i.index_type from user_ind_columns t,user_indexes i where t.index_name = i.index_name and t.table_name = i.table_name and t.tabl sqlServer2005数据库所有表和字段及其属性 简单的sql：

1、查找表的所有索引（包括索引名，类型，构成列）：

select t.*,i.index_type from user_ind_columns t,user_indexes i where t.index_name = i.index_name and t.table_name = i.table_name and t.table_name = 要查询的表

2、查找表的主键（包括名称，构成列）：

select cu.* from user_cons_columns cu,user_constraints au where cu.constraint_name = au.constraint_name and au.constraint_type = 'P' and au.table_name = 要查询的表

3、查找表的唯一性约束（包括名称，构成列）：

select column_name from user_cons_columns cu,user_constraints au where cu.constraint_name = au.constraint_name and au.constraint_type = 'U' and au.table_name = 要查询的表

4、查找表的外键（包括名称，引用表的表名和对应的键名，下面是分成多步查询）：

select * from user_constraints c where c.constraint_type = 'R' and c.table_name = 要查询的表

查询外键约束的列名：

select * from user_cons_columns cl where cl.constraint_name = 外键名称

查询引用表的键的列名：

select * from user_cons_columns cl where cl.constraint_name = 外键引用表的键名

5、查询表的所有列及其属性

select t.*,c.COMMENTS from user_tab_columns t,user_col_comments c where t.table_name = c.table_name and t.column_name = c.column_name and t.table_name = 要查询的表

6、sql中为表加约束的SQL语句

sql中为表添加约束的sql语句（请点击我）

ldy友情提示：  如下SQL语句较长，请慢慢体味

select '' as rownum,tablename_sqlServer,Columnname,FIEldType_sqlServer,
FIEldType_sqlServer +
case
 when FIEldLength is null or charindex('datetime',FIEldType_sqlServer) != 0 or charindex('int',FIEldType_sqlServer) != 0
  then ''
  else '(' + FIEldLength + ')'
 end as FIEldTypeLen_sqlServer
,DefaultValue_sqlServer,FIEldType_Oracle,DefaultValue_Oracle,
case when IsNullable = '1'
 then 'Y'
 else ''
end as IsNullable,
case when charindex('datetime',FIEldType_sqlServer) != 0
 then ''
 else FIEldLength
end as FIEldLength,isnull(IsKey,'') as IsKey,Pkname,isnull(IsIndex,'') as isIndex,Indexname
from
(
 select ta.name as tablename_sqlServer,c.name as Columnname,c.
 IsNullable,t.name as FIEldType_sqlServer,cast(c.prec as varchar) +
 case when c.scale is null
  then ''
  else ','
 end + isnull(cast(c.scale as varchar),'') as FIEldLength,isnull(co.text,'') as DefaultValue_sqlServer,
    '' as FIEldType_Oracle,'' as DefaultValue_Oracle,
 (
  select top 1
  case when i1.status = 2066 then 'Y' else '' end from sysindexes i1,sysindexkeys k1
  where i1.ID = k1.ID
  and i1.indID = k1.indID
  and i1.ID = c.ID
  and k1.colID = c.colID
  AND i1.status = 2066
 ) as IsKey,
 (
  select top 1
  case when i2.status = 2066
  then i2.name
  else ''
  end
  from sysindexes i2,sysindexkeys k2
  where i2.ID = k2.ID
  and i2.indID = k2.indID
  and i2.ID = c.ID
  and k2.colID = c.colID
  AND i2.status = 2066
 ) as Pkname,
 (
  select top 1
  case when i3.status != 2066
  then 'Y'
  else ''
  end
  from sysindexes i3,sysindexkeys k3
  where i3.ID = k3.ID
  and i3.indID = k3.indID
  and i3.ID = c.ID
  and k3.colID = c.colID
  AND i3.status != 2066
 ) as IsIndex,
 (
  select top 1
  case when i4.status != 2066
  then i4.name
  else ''
  end
  from sysindexes i4,sysindexkeys k4
  where i4.ID = k4.ID
  and i4.indID = k4.indID
  and i4.ID = c.ID
  and k4.colID = c.colID
  AND i4.status != 2066
 ) as Indexname
 from sysobjects ta
 inner join syscolumns c on ta.ID = c.ID
 left join SYSTYPES t on c.xusertype = t.xusertype
 left join syscomments co on c.cdefault = co.ID
 where ta.xtype = 'U'
) b
order by tablename_sqlServer,Columnname

 

执行结果如下：

 

 

ldy-友情链接：

本文来源：(http://blog.sina.com.cn/s/blog_5421dfd20100fhvd.html) - sqlServer2005数据库所有表和字段及其属性_mousekitty_新浪博客

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