ALTER TABLE hdb_catalog.hdb_cron_events ALTER COLUMN created_at TYPE TIMESTAMPTZ; ALTER TABLE hdb_catalog.hdb_cron_event_invocation_logs ALTER COLUMN created_at TYPE TIMESTAMPTZ; ALTER TABLE hdb_catalog.hdb_scheduled_events ALTER COLUMN created_at TYPE TIMESTAMPTZ; ALTER TABLE hdb_catalog.hdb_scheduled_event_invocation_logs ALTER COLUMN created_at TYPE TIMESTAMPTZ;