테이블에서 데이터를 조회
문법
1 2 3 4 5 | SELECT 칼럼명1, 칼럼명2 [FROM 테이블명 ] [GROUP BY 칼럼명] [ORDER BY 칼럼명 [ASC | DESC]] [LIMIT offset, 조회 할 행의 수] |
예제
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | DROP TABLE IF EXISTS `student`;CREATE TABLE `student` ( `id` tinyint(4) NOT NULL, `name` char(4) NOT NULL, `sex` enum('남자','여자') NOT NULL, `address` varchar(50) NOT NULL, `birthday` datetime NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;INSERT INTO `student` VALUES (2, '박재숙', '남자', '서울', '1985-10-26 00:00:00');INSERT INTO `student` VALUES (1, '이숙경', '여자', '청주', '1982-11-16 00:00:00');INSERT INTO `student` VALUES (3, '백태호', '남자', '경주', '1989-2-10 00:00:00');INSERT INTO `student` VALUES (4, '김경훈', '남자', '제천', '1979-11-4 00:00:00');INSERT INTO `student` VALUES (8, '김정인', '남자', '대전', '1990-10-1 00:00:00');INSERT INTO `student` VALUES (6, '김경진', '여자', '제주', '1985-1-1 00:00:00');INSERT INTO `student` VALUES (7, '박경호', '남자', '영동', '1981-2-3 00:00:00'); |
1 | SELECT * FROM student; |
1 | SELECT name, birthday FROM student; |
1 | SELECT * FROM student WHERE id=3; |
1 | SELECT * FROM student WHERE sex='남자' AND address='서울'; |
1 | SELECT * FROM student WHERE sex='여자' OR address='서울'; |
1 | SELECT * FROM student LIMIT 1; |
1 2 3 | SELECT * FROM student LIMIT 1,1;SELECT * FROM student LIMIT 2,1;SELECT * FROM student LIMIT 3,1; |
1 | SELECT * FROM student WHERE sex='남자' LIMIT 2; |
