begin;
attach database 'baseball-raw.db' as 'raw';

create table if not exists appearancespost (
	"year"	numeric,
	"player"	text,
	"team"	text
);

insert into appearancespost
select distinct yearID, playerID, teamID
from 'raw'.battingpost
union
select distinct yearID, playerID, teamID
from 'raw'.pitchingpost
union
select distinct yearID, playerID, teamID
from 'raw'.fieldingpost;
commit;