编写PL/SQL块计算并输出S=1！+3！…9！

编写PL/SQL块计算并输出S=1！+3！…9！

可以参考这个文章，希望对你有帮助：https://zhidao.baidu.com/question/875840644101456052.html

declare @i int =1
declare @j int =1
declare @sum = 1;
declare @result int = 0
while @i<=9
begin
  set @sum = 1;
  while @j<=@i
  begin
    set @sum = @sum*@j
    set @j=@j+1
  end
  set @i+=2
  set @result=@result+@sum
end
select @result