sql打印99乘法表

declare @mul1 int, @mul2 int
declare @str varchar(4096)
set @mul1 = 1
while(@mul1 < 10)
begin
set @mul2 = 1
while(@mul2 <= @mul1)
begin
set @str = isnull(@str, '') + convert(varchar, @mul2) + '*' + convert(varchar, @mul1) + '=' + right(100 + @mul1 * @mul2, 2) + ' '
set @mul2 = @mul2 +1
end
set @mul1 = @mul1 + 1
set @str = replace(@str, '=0', '= ') + char(13)
end

print @str