[MySQL] 집계 함수
집계 함수 CREATE TABLE myRecode( recodeID int(10) unsigned auto_increment, memberID int(10) unsigned, javascript tinyint NOT NULL, html tinyint NOT NULL, css tinyint NOT NULL, mysql tinyint NOT NULL, react tinyint NOT NULL, PRIMARY KEY (recodeID) ) charset=utf8; INSERT INTO myRecode(memberID, javascript, html, css, mysql, react) VALUES(1, 50, 30, 40, 30, 10); INSERT INTO myRecode(memberID, javascrip..