INSERT INTO 插入数据库
$sql = "INSERT INTO subject (uid,fun,title) VALUES (3,88,‘语文‘)"; $query = mysql_query($sql, $link); if($query){ echo mysql_insert_id(); }
UPDATE SET 语法用于修改更新数据表中的数据
$sql="UPDATE subject SET title=‘英语‘,fun=60 WHERE id=3";
DELETE FROM 语法用于删除数据表的数据记录
$sql = "DELETE FROM user WHERE username = ‘小王‘";
php +mysql 添加 删除 修改 insert into delete update
原文：http://www.cnblogs.com/vania/p/4999874.html