ALTER TABLE `DpsaCircularPage`
    ADD COLUMN `cleanedText` LONGTEXT NULL;

UPDATE `DpsaCircularPage`
SET `cleanedText` = `text`;

ALTER TABLE `DpsaCircularPage`
    MODIFY `cleanedText` LONGTEXT NOT NULL;

ALTER TABLE `DpsaDepartmentSection`
    ADD COLUMN `enquiriesText` TEXT NULL,
    ADD COLUMN `closingDate` DATETIME(3) NULL;