mysql-新增、更新、删除语句
1.插入数据:
INSERT INTO t_book VALUES(NULL,'我爱我家',20,'张三',1);
INSERT INTO t_book(id,bookName,price,author,bookTypeId) VALUES(NULL,'我爱我家',20,'张三',1);
INSERT INTO t_book(bookName,author) VALUES('我爱我家','张三');
INSERT INTO t_book(id,bookName,price,author,bookTypeId) VALUES (NULL,'我爱我家2',20,'张三',1),(NULL,'我爱我家3',20,'张三',1);
2.更新数据
UPDATE t_book SET bookName='Java编程思想',price=120 WHERE id=1;
UPDATE t_book SET bookName='我' WHERE bookName LIKE '%我爱我家%';
3.删除数据
DELETE FROM t_book WHERE id=5;
DELETE FROM t_book WHERE bookName='我';