CREATE TABLE cprod (
  userid    INT      UNSIGNED NOT NULL,
  cprodid   SMALLINT UNSIGNED NOT NULL,
  PRIMARY KEY (userid, cprodid),
  firstshowtime      INT UNSIGNED,
  recentshowtime     INT UNSIGNED,
  acktime            INT UNSIGNED,
  nothankstime       INT UNSIGNED,
  clickthrutime      INT UNSIGNED,
  clickthruver       SMALLINT UNSIGNED
)