安全快速更改MySQL数据库名称

mysql > create database centos_old;

    mysql -uroot -p -e "select concat('rename table centos.',table_name,' to centos_old.',table_name,';') from information_schema.TABLES where TABLE_SCHEMA='centos';" > rename_mysql_name.sql

打开rename_mysql_name.sql，把第一行删除。

rename_mysql_name.sql内容大概为：

    rename table centos.wp_commentmeta to centos_old.wp_commentmeta;
    rename table centos.wp_comments to centos_old.wp_comments;
    rename table centos.wp_forum_forums to centos_old.wp_forum_forums;
    rename table centos.wp_forum_groups to centos_old.wp_forum_groups;
    rename table centos.wp_forum_posts to centos_old.wp_forum_posts;
    rename table centos.wp_forum_threads to centos_old.wp_forum_threads;
    rename table centos.wp_forum_usergroup2user to centos_old.wp_forum_usergroup2user;
    rename table centos.wp_forum_usergroups to centos_old.wp_forum_usergroups;
    rename table centos.wp_links to centos_old.wp_links;
    rename table centos.wp_options to centos_old.wp_options;
    rename table centos.wp_postmeta to centos_old.wp_postmeta;
    rename table centos.wp_posts to centos_old.wp_posts;
    rename table centos.wp_term_relationships to centos_old.wp_term_relationships;
    rename table centos.wp_term_taxonomy to centos_old.wp_term_taxonomy;
    rename table centos.wp_terms to centos_old.wp_terms;
    rename table centos.wp_usermeta to centos_old.wp_usermeta;
    rename table centos.wp_users to centos_old.wp_users;

mysql -uroot -p < rename_mysql_name.sql

这样就完成了centos数据库名更改为centos_old的操作。

原文地址：https://www.centos.bz/2013/09/quick-and-secure-modify-mysql-name/

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