ubuntu的mysql 是什麼版本

ubuntu的mysql 是什麼版本呢？
是Community Edition、Standard Edition、Enterprise Edition、Cluster Carrier Grade Edition還是什麼版本呢？？？？？

[root@spare133 ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1968
Server version: 5.1.57-rel12.8-log Percona Server (GPL), 12.8, Revision 233

那到底是什麼版本呀！顯示是這樣的
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 178269
Server version: 5.1.54-1ubuntu4 (Ubuntu)

Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL v2 license

select version();