update bt_versions
set actual_release_date = $actual_release_date
where version_id = :version_id
select version_name,
to_char(anticipated_release_date, 'YYYY MM DD HH24 MI') as anticipated_release_date,
to_char(coalesce(actual_release_date, current_timestamp), 'YYYY MM DD HH24 MI') as actual_release_date
from bt_versions
where version_id = :version_id