MySQL5已经更新到最新版本5.0.19

注意:在安装任何软件新版本之前备份你的是数据是一个好的习惯，虽然MySQL已经尽力确信过一个高规格的质量，你还是应该通过制作一个备份来保护你的数据。MySQL建议你从以前版本导出并重载表以升级到5.0。

It is good practice to back up your data before installing any new version of software. Although MySQL has done its best to ensure a high level of quality, you should protect your data by making a backup. MySQL generally recommends that you dump and reload your tables from any previous version to upgrade to 5.0.