sqlserver删除所有表

 --/第1步**********删除所有表的外键约束*************************/

 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

 --/第2步**********删除所有表*************************/

 use 命名空间 GO
 declare @sql varchar(8000)
 while (select count(*) from sysobjects where type='U')>0
 begin
 SELECT @sql='drop table ' + name
 FROM sysobjects
 WHERE (type = 'U')
 ORDER BY 'drop table ' + name
 exec(@sql)
 end

如果存在schema修改的情况，一定要加[schema]