kmizumar · May 20, 2013 16:29
diff --git a/matrix mul b/matrix mul
 select a.row_num as row, b.col_num as col, sum(a.value * b.value) as val
  from a, b
  where a.col_num = b.row_num
  group by a.row_num, b.col_num
 ;
	select a.row_num as row, b.col_num as col, sum(a.value * b.value) as val
	from a, b
	where a.col_num = b.row_num
	group by a.row_num, b.col_num
	;