空中漫步2001

摘要： --循环练习，1到100偶数之和declare @num int;declare @sum int;set @sum=0;set @num=1;while @num=0)--利用begin try end try,begin catch end catchbegin transaction tran1declare @error int ;set @error=0;update banklist set Balance=Balance-1500.00 where Account ='1002';set @error=@error+@@error;update banklist 阅读全文