sqlserver删除所有表

use 数据库
declare @tname varchar(8000)
set @tname=''
select @tname=@tname + Name + ',' from sysobjects where xtype='U'
select @tname='drop table ' + left(@tname,len(@tname)-1)
exec(@tname)

删除所有的存储过程同理可得，只需将代码的where xtype='U' 改成 where xtype='P'，drop table 改成 drop Procedure

如果外键约束 先删除外键

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