sql-逻辑循环while if

 --计算1-100的和declare @int int=1;declare @total int=0;while(@int<=100)beginset @total=@total+@int;set @int=@int +1;endselect @total--计算1-100偶数的和declare @index int;declare @sum int;set @index=1;set @sum=0;while(@index<=100)beginif(@index%2=0)beginset @sum=@sum+@indexendset @index=@index+1;endselect @sum;