Columns used for table selection, key selection, key positioning, etc.

    ID    Name         Type              Description
  2612  QVTSFLDS     VARCHAR(300)      Columns used for table data selection.
  2614  QVDVFLD      CHAR(1)           Derived column selection performed.
                                                                              Y - Yes
                                       N - No
  2616  QVDVFLDS     VARCHAR(300)      Columns used for derived column selection.
  2620  QVSKEYP      VARCHAR(300)      Columns used for key positioning.
  2622  QVSKEYS      VARCHAR(300)      Columns used for key selection.
  2624  QVJKEYS      VARCHAR(300)      Columns used for join selection.
  2626  QVOKEYS      VARCHAR(300)      Columns used for ordering.
  2628  QVGKEYS      VARCHAR(300)      Columns used for grouping.