ALTER TABLE blc_sandbox ADD audit_creation_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_sandbox ADD audit_creator VARCHAR(60);
ALTER TABLE blc_catalog ADD audit_creation_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_sandbox ADD audit_update_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_catalog ADD audit_creator VARCHAR(60);
ALTER TABLE blc_sandbox ADD audit_updater VARCHAR(60);
ALTER TABLE blc_catalog ADD audit_update_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_application ADD audit_creation_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_catalog ADD audit_updater VARCHAR(60);
ALTER TABLE blc_application ADD audit_creator VARCHAR(60);
ALTER TABLE blc_application ADD audit_update_time TIMESTAMP WITHOUT TIME ZONE;
ALTER TABLE blc_application ADD audit_updater VARCHAR(60);