Php Mysql 简明教程
PHP & MySQL - Drop Table Example
PHP 使用 mysqli query() 或 mysql_query() 函数来删除 MySQL 表。这个函数接收两个参数,并在成功时返回 TRUE,并在失败时返回 FALSE。
PHP uses mysqli query() or mysql_query() function to drop a MySQL table. This function takes two parameters and returns TRUE on success or FALSE on failure.
Syntax
$mysqli->query($sql,$resultmode)
Sr.No. |
Parameter & Description |
1 |
$sql Required - SQL query to drop a table. |
2 |
$resultmode Optional - Either the constant MYSQLI_USE_RESULT or MYSQLI_STORE_RESULT depending on the desired behavior. By default, MYSQLI_STORE_RESULT is used. |
Example
尝试以下示例来删除一个表格 −
Try the following example to drop a table −
将以下示例复制粘贴为 mysql_example.php:
Copy and paste the following example as mysql_example.php −
<html>
<head><title>Dropping MySQL Table</title></head>
<body>
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = 'root@123';
$dbname = 'TUTORIALS';
$mysqli = new mysqli($dbhost, $dbuser, $dbpass, $dbname);
if($mysqli->connect_errno ) {
printf("Connect failed: %s<br />", $mysqli->connect_error);
exit();
}
printf('Connected successfully.<br />');
if ($mysqli->query("Drop Table tutorials_tbl")) {
printf("Table tutorials_tbl dropped successfully.<br />");
}
if ($mysqli->errno) {
printf("Could not drop table: %s<br />", $mysqli->error);
}
$mysqli->close();
?>
</body>
</html>