CREATE TABLE qotd (
  qid           INT UNSIGNED NOT NULL AUTO_INCREMENT,
  time_start    INT UNSIGNED NOT NULL DEFAULT '0',
  time_end      INT UNSIGNED NOT NULL DEFAULT '0',
  active        ENUM('Y','N') NOT NULL DEFAULT 'Y',
  text          TEXT NOT NULL DEFAULT '',
  img_url       VARCHAR(255) DEFAULT NULL,
  PRIMARY KEY (qid),
  INDEX (time_start),
  INDEX (time_end)
)