mysql语句实现简单的增、删、改、查操作示例？1.查询【SELECT * FROM biao1】2.插入【INSERT INTO biao1(name1,age) VALUES(新增加1,1000)】3.惠新【UPDATE biao1 SET name1=这是修改,age=2000 WHERE id=20】4.删除【DELETE FROM biao1 WHERE id=20】
