MySQL uses SQL statements to modify table names

RENAME TABLE <old table name> TO <new table name>;

mysql> show tables;
+-------------------+
| Tables_in_cainiao |
+-------------------+
| test |
| test2 |
+-------------------+
2 rows in set (0.00 sec)

mysql> rename table test to test1;
Query OK, 0 rows affected (0.08 sec)

mysql> show tables;
+-------------------+
| Tables_in_cainiao |
+-------------------+
| test1 |
| test2 |
+-------------------+
2 rows in set (0.00 sec)

ALTER TABLE original table name RENAME TO new table name;

show tables;

SELECT
 CONCAT(
 'ALTER TABLE ',
 table_name,
 'RENAME TO db_',
 substring(table_name, 4),
 ';'
 )
FROM
 information_schema. TABLES
WHERE
 table_name LIKE 'ct%';

<?php
//Set relevant information $dbserver='localhost'; //The connected server is usually localhost
$dbname='corethink';//database name$dbuser='root';//database user name$dbpassword='root';//database password$old_prefix='ct_';//database prefix$new_prefix='new_';//database prefix is ​​changed toif ( !is_string($dbname) || !is_string($old_prefix)|| !is_string($new_prefix) ){
 return false;
}
 
if (!mysql_connect($dbserver, $dbuser, $dbpassword)) {
 print 'Could not connect to mysql';
 exit;
}
//Get all table names in the database $result = mysql_list_tables($dbname);
if (!$result){
 print "DB Error, could not list tablesn";
 print 'MySQL Error: ' . mysql_error();
 exit;
}
//Store the table name in $data
 while ($row = mysql_fetch_row($result)) {
 $data[] = $row[0];
}
//Filter the table name to modify the prefix foreach($data as $k => $v){
 $preg = preg_match("/^($old_prefix{1})([a-zA-Z0-9_-]+)/i", $v, $v1);
 if($preg){
 $tab_name[$k] = $v1[2];
 }
}
if($preg){ 
 foreach($tab_name as $k => $v){
 $sql = 'RENAME TABLE `'.$old_prefix.$v.'` TO `'.$new_prefix.$v.'`';
 mysql_query($sql);
 }
 print data table prefix: .$old_prefix."<br>".has been changed to: .$new_prefix."<br>"; 
}else{ print The prefix of your database table.$old_prefix.Incorrect input. Please check the prefix of the relevant database table; 
 if (mysql_free_result($result)){
 return true;
 }
}
?>

SELECT
 CONCAT(
 'drop table ',
 table_name,
 ';'
 )
FROM
 information_schema. TABLES
WHERE
 table_name LIKE 'uc_%';