mysql_drop_db
(PHP 4, PHP 5, PECL mysql:1.0)
mysql_drop_db — Drop (delete) a MySQL database
說明
bool mysql_drop_db
( string $database_name
[, resource $link_identifier
] )
mysql_drop_db() attempts to drop (remove) an entire database from the server associated with the specified link identifier. This function is deprecated, it is preferable to use mysql_query() to issue a sql DROP DATABASE statement instead.
參數
- database_name
-
The name of the database that will be deleted.
- link_identifier
-
MySQL 的連接識別符。如果沒有指定，預設使用最後被 mysql_connect() 打開的連接。如果沒有找到該連接，函式會嘗試呼叫 mysql_connect() 建立連接並使用它。如果發生意外，沒有找到連接或無法建立連接，系統發出 E_WARNING 級別的警告信息。
Return值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
範例
Example#1 mysql_drop_db() alternative example
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
die('Could not connect: ' . mysql_error());
}
$sql = 'DROP DATABASE my_db';
if (mysql_query($sql, $link)) {
echo "Database my_db was successfully dropped\n";
} else {
echo 'Error dropping database: ' . mysql_error() . "\n";
}
?>
註釋
Warning
This function will not be available if the MySQL extension was built against a MySQL 4.x client library.
Note: 為了保證向下相容性，可以使用下面的別名，但不贊成使用它： mysql_dropdb()