declare cnt number; begin select count(*) into cnt from user_tab_columns where table_name = 'AUCTION_LOCATIONS' and column_name = 'SEARCH_ENABLED'; if (cnt = 0) then execute immediate 'alter table auction_locations add search_enabled char(1) default ''Y'''; execute immediate 'update auction_locations set search_enabled = ''N'' where owner_id <> 0'; end if; end; / update version_number set version_number=191, min_version_number=191;