難題一道,挑戰!根據條件,生成臨時表,為縮寫代碼,便用相同的表名.可系統太笨.無法解決.
Create Proc AccountScale
@Ym varchar(7) ,
@Flag varchar(1)
as
if @Flag='0'
begin
Select * into #t from employee where Substring(convert(Varchar(10),In_date,111),1,7)<=@Ym and(Substring(Convert(Varchar(10),Out_date,111),1,7)>@Ym or Out_date is null)
end
else
begin
Select b.* into #t5 from salarybak a inner join employee b on a.emp_no=b.emp_no and a.idno=b.idno where a.ym=@ym
end