서

mysql SELECT 결과값을 UPDATE하기

· 2016-01-14 (목) 09:25:02 · 2772

A테이블과 B테이블의 공통인 ID값이 있을경우 SELECT문의 결과값을 UPDATE값으로 할 수 있다. 

 

UPDATE 테이블명 as A_table

 

SET 업데이트할필드명

 

= (SELECT 선택필드 FROM 테이블명 as B_table

 

WHERE A_table.공통ID = B_table.공통ID); 

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