-- 1. 스칼라 서브쿼리 -- SELECT (SELECT COUNT(*) FROM a WHERE ...) a , (SELECT COUNT(*) FROM b WHERE ...) b , (SELECT COUNT(*) FROM c WHERE ...) c , (SELECT COUNT(*) FROM d WHERE ...) d , (SELECT COUNT(*) FROM e WHERE ...) e ; -- 2. 인라인 뷰 -- SELECT * FROM (SELECT COUNT(*) a FROM a WHERE ...) a , (SELECT COUNT(*) b FROM b WHERE ...) b , (SELECT COUNT(*) c FROM c WHERE ...) c , (SELECT COUNT(*) d FROM d WHERE ...) d , (SELECT COUNT(*) e FROM e WHERE ...) e ;