CREATE TABLE `credebtor_balances`
(
    `id`                  INT      NOT NULL AUTO_INCREMENT,
    `debtor_id`           INT      NOT NULL,
    `outstanding_balance` DOUBLE   NOT NULL,
    `calculation_date`    DATETIME NOT NULL,
    `is_last`             TINYINT  NOT NULL DEFAULT '1',
    PRIMARY KEY (`id`)
) ENGINE = InnoDB;
CREATE TABLE `credebtor_balances_cron_requests` (
  `request_id` int(11) NOT NULL,
  `event_type` tinyint(4) NOT NULL,
  `status` tinyint(4) NOT NULL,
  `start_time` datetime DEFAULT NULL,
  `end_time` datetime DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
ALTER TABLE `credebtor_balances_cron_requests`
  ADD PRIMARY KEY (`request_id`);
ALTER TABLE `credebtor_balances_cron_requests`
  MODIFY `request_id` int(11) NOT NULL AUTO_INCREMENT;