MSSQL如何清空所有表?
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MSSQL中快速清空所有数据表:
首先需要删除所有表的外键约束;
然后再删除所有数据表。
--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*** 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