서브쿼리 ( 실습 sub 7 ) 과제
SELECT A.cid, customer.cnm, A.pid, product.pnm , A.day , A.cnt
FROM
(SELECT *
FROM cycle
WHERE cycle.cid = 1
AND cycle.pid IN ( SELECT pid
FROM cycle
WHERE cid = 2 )) A
, product , customer
WHERE A.pid = product.pid
AND A.cid = customer.cid ;
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