<?php $con=mysqli_connect("localhost","username","password","database");// 检测连接if(mysqli_connect_errno()){echo"连接失败: ".mysqli_connect_error();}mysqli_query($con,"DELETE FROM Persons WHERE LastName='Griffin'");mysqli_close($con);?> ...
<?php $con=mysqli_connect("localhost","username","password","database"); // 检测连接 if (mysqli_connect_errno()) { echo "连接失败: " . mysqli_connect_error(); } mysqli_query($con,"DELETE FROM Persons WHERE LastName='Griffin'"); mysqli_close($con); ?>...
DELETE query in PHPPosted by: Ugis Revelis Date: July 28, 2005 06:20AM Hi! I spent 3 h to figure out how to write this query and still nothing... The problem is, that I have 3 tables and if I delete some record from the first table, I want to delete from other 2 ...
PHP 使用 mysqli_query() 函数来执行SQL语句,你可以在 DELETE 命令中使用或不使用 WHERE 子句。该函数与 mysql> 命令符执行SQL命令的效果是一样的。实例以下PHP实例将删除 runoob_tbl 表中 runoob_id 为 3 的记录:MySQL DELETE 子句测试: <?php $dbhost = 'localhost'; // mysql服务器主机地址 $dbuser ...
PHP使用 mysqli_query() 函数来执行SQL语句, 你可以在 SQL DELETE 命令中使用或不使用 WHERE 子句。该函数与 mysql> 命令符执行SQL命令的效果是一样的。 MySQL DELETE 语句测试以下PHP实例将删除 runoon_tbl 表中 runoon_id 为 3 的记录: <?php$dbhost = ...
$query=mysql_query($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'";...
mysql isdelete语句 ISDELETE 语句并不是 MySQL 的一个标准或内置函数。可能你是想问关于 MySQL 中的 DELETE 语句,或者是某个特定应用或框架中定义的 ISDELETE 函数或方法。 MySQL DELETE 语句 DELETE 语句用于从表中删除数据。 基础概念: DELETE 语句可以删除表中的行。 可以使用 WHERE 子句来指定删除哪些行。
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discuz 源码中多处update/delete的查询使用了mysql_unbuffered_query,用意是什么呢? 依手册(http://php.net/manual/en/function.mys...)描述,和mysql_query主要区别是不会一次性获取并缓存查询结果 但对update/delete查询,它和mysql_query一样返回bool值,看起来没有必要特地用mysql_unbuffered_query ...
$result=getSQL($query); if($result==1){ $result = getSQL("commit"); } return $result; } getSQL() is a just a simple function i use to create the db connection and run the query, no logic there. --- I also tried printing the delete query generated and ran the same manually ...