SQL初心者質問スレ [無断転載禁止]©2ch.net

[0835 NAME IS NULL 2017/06/19(月) 06:00:35.80 ID:???]

select type, data from テーブル where year=2017 and month=1 and day=1 and (type='a' or type ='b');
じゃダメなのか？