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  • 部署和调优 2.9 mysql主从配置-3

    测试

    先给主mysql解锁

    >  unlock tables;

    删除一个表

    > use db1;
    > show tables;
    > drop table  help_category ;

    去从 mysql 看一下

    > use db1;
    > show tables;
    没有 help_category。

    ////////////////////////////////////////////////////////////////////////
    创建一个表
     show create table user;
    > CREATE TABLE `wangshaojun`

    (
    `Host` char(60) COLLATE utf8_bin NOT NULL DEFAULT '',
    `User` char(16) COLLATE utf8_bin NOT NULL DEFAULT '',
    `Password` char(41) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL DEFAULT '',
    `Select_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Insert_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Update_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Delete_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Create_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Drop_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Reload_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Shutdown_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Process_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `File_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Grant_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `References_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Index_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Alter_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Show_db_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Super_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Create_tmp_table_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Lock_tables_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Execute_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Repl_slave_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Repl_client_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Create_view_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Show_view_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Create_routine_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Alter_routine_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Create_user_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Event_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `Trigger_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N',
    `ssl_type` enum('','ANY','X509','SPECIFIED') CHARACTER SET utf8 NOT NULL DEFAULT '',
    `ssl_cipher` blob NOT NULL,
    `x509_issuer` blob NOT NULL,
    `x509_subject` blob NOT NULL,
    `max_questions` int(11) unsigned NOT NULL DEFAULT '0',
    `max_updates` int(11) unsigned NOT NULL DEFAULT '0',
    `max_connections` int(11) unsigned NOT NULL DEFAULT '0',
    `max_user_connections` int(11) unsigned NOT NULL DEFAULT '0',
    PRIMARY KEY (`Host`,`User`)
    ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Users and global privileges';

    这一串是复制的上面那条命令里面的,

    查看列表 

    > show tables;

    多了一个 wangshaojun 表

    在从mysql 查看,一样多了一个表:wangshaojun

    //////////////////////////////////////////////////////////////////////////////////////

    主 删掉db1 库,查看库,没有db1了。

    > drop database db1;
    > show databases;

    从查看db1下的表,报错。查看库,没有db1了

    > show tables;
    > show databases;














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  • 原文地址:https://www.cnblogs.com/wangshaojun/p/5074728.html
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