pragma foreign_keys = 0; begin; attach database 'lahman-raw.db' as 'raw'; create temp table if not exists teams ( "ID" text, "franchise" text ); insert into teams select distinct teamid, franchid from "raw"."teams"; update teams set ID = 'WS9' where ID = 'WAS' and franchise = 'WAS'; update teams set ID = 'PHP' where ID = 'PH4' and franchise = 'PHQ'; create table if not exists main.teams ( "ID" text, "franchise" text, primary key("ID"), foreign key("franchise") references "franchises"("ID") ); insert into main.teams select distinct * from temp."teams"; commit;