application/models/migrations/add_create_update_fields.sql
ALTER TABLE `shop_category` ADD `created` INT( 11 ) NULL, ADD `updated` INT( 11 ) NULL;
ALTER TABLE `category` ADD `created` INT( 11 ) NULL, ADD `updated` INT( 11 ) NULL;
ALTER TABLE `shop_brands` ADD `created` INT( 11 ) NULL, ADD `updated` INT( 11 ) NULL;
UPDATE `shop_category` SET `created`=1401265119, `updated`=1401265119 WHERE 1;
UPDATE `category` SET `created`=1401265119, `updated`=1401265119 WHERE 1;
UPDATE `shop_brands` SET `created`=1401265119, `updated`=1401265119 WHERE 1;