Posts by Pablo Daniel Pietro Bom • 11 points

• 1

  votes

  3

  answers

  137

  views

  A: Problems with WHERE IN (many records)

  I suggest using exists, select in will capture "all" the data of the child query allocate in memory and reply to the parent... Using exists will return only the first valid record proving…

  mysql sql database

  answered 9 years, 8 months ago Pablo Daniel Pietro Bom 11