message: Update running-total-for-different-genders.sql
diff: @@ -6,7 +6,7 @@ SELECT gender,
  CASE
  WHEN gender = 'F' THEN @f_accu := @f_accu + score_points
  ELSE @m_accu := @m_accu + score_points
  - end total
  + END total
  FROM scores,
  (SELECT @f_accu := 0,
  @m_accu := 0) init
  