1. [php]代码   $setting = array(
    'databasehost'    => '127.0.0.1',
	'databaseuser'    => 'root',
	'databasepass'    => '',
	'olddatabasename' => 'old_database_name',
	'newdatabasename' => 'new_database_name',
	'execute'         => false,
);
$db      = new pdo("mysql:host={$setting['databasehost']};dbname={$setting['olddatabasename']}", $setting['databaseuser'], $setting['databasepass']);
$result  = $db->query("show tables");
$tables  = $result->fetchall();
foreach ($tables as $tablectr) {
	$tablename = $tablectr['tables_in_' . $setting['newdatabasename']];
	$sql       = "alter table $tablename rename to " . str_replace('mymps', 'mk_', $tablename);
	$sql       = "rename table {$setting['olddatabasename']}.{$tablename} to {$setting['newdatabasename']}.{$tablename};";
	if ($setting['execute']) {
		if ($db->query($sql)) {
			continue;
		} else {
			exit($db->errorinfo());
		}
	} else {
		echo $sql . php_eol;
	}
}
   
 
   