SQL批量删除用户表(先删除所有外键约束,再删除所有表)
2010-05-24 23:05
441 查看
--批量删除用户表
--1.删除外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] drop constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
--2.删除表
DECLARE c2 cursor for
select 'drop table ['+name +']; '
from sysobjects
where xtype = 'u'
open c2
declare @c2 varchar(8000)
fetch next from c2 into @c2
while(@@fetch_status=0)
begin
exec(@c2)
fetch next from c2 into @c2
end
close c2
deallocate c2
--批量清除表内容:
--1.禁用外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] nocheck constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
--2.清除表内容
DECLARE c2 cursor for
select 'truncate table ['+name +']; '
from sysobjects
where xtype = 'u'
open c2
declare @c2 varchar(8000)
fetch next from c2 into @c2
while(@@fetch_status=0)
begin
exec(@c2)
fetch next from c2 into @c2
end
close c2
deallocate c2
--3.启用外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] check constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/htl258/archive/2009/07/16/4352355.aspx
--1.删除外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] drop constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
--2.删除表
DECLARE c2 cursor for
select 'drop table ['+name +']; '
from sysobjects
where xtype = 'u'
open c2
declare @c2 varchar(8000)
fetch next from c2 into @c2
while(@@fetch_status=0)
begin
exec(@c2)
fetch next from c2 into @c2
end
close c2
deallocate c2
--批量清除表内容:
--1.禁用外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] nocheck constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
--2.清除表内容
DECLARE c2 cursor for
select 'truncate table ['+name +']; '
from sysobjects
where xtype = 'u'
open c2
declare @c2 varchar(8000)
fetch next from c2 into @c2
while(@@fetch_status=0)
begin
exec(@c2)
fetch next from c2 into @c2
end
close c2
deallocate c2
--3.启用外键约束
DECLARE c1 cursor for
select 'alter table ['+ object_name(parent_obj) + '] check constraint ['+name+']; '
from sysobjects
where xtype = 'F'
open c1
declare @c1 varchar(8000)
fetch next from c1 into @c1
while(@@fetch_status=0)
begin
exec(@c1)
fetch next from c1 into @c1
end
close c1
deallocate c1
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/htl258/archive/2009/07/16/4352355.aspx
相关文章推荐
- SQL批量删除用户表(先删除所有外键约束,再删除所有表)
- SQL批量删除用户表(先删除所有外键约束,再删除所有表)
- SQL批量删除用户表(先删除所有外键约束,再删除所有表)
- -----删除数据库中所有外键约束-----
- SQL批量删除数据表中指定字段对应的所有约束
- Oracle 删除一个用户下的所有表、触发器、约束
- SQL删除数据库中所有用户数据表外键
- MSSQL中删除所有外键约束的方法
- 如何删除数据库中的所有用户表(表与表之间有外键关系)
- 生成删除所有外键约束语句
- SQL删除数据库中所有用户数据表外键
- MSSQL中删除所有外键约束的方法
- oracle约束+check+暴力删除表,无视外键+查看用户创建的表+查看约束
- Oracle中快速删除某个用户下的所有表数据 禁用所有外键
- SQL批量删除数据表中指定字段对应的所有约束
- 删除所有外键约束 禁用所有外键约束 启用所有外键约束
- SQL删除数据库中所有用户数据表外键
- sqlserver数据库生成删除所有外键约束的sql
- SQL批量删除数据表中指定字段对应的所有约束
- oracle中删除所有用户表外键的方法