本篇内容主要讲解“MySQL的基本管理方法”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“MySQL的基本管理方法”吧!

1、修改root用户密码

提示信息:错误:登陆失败,mysqladmin修改密码失败

[root@mysql var]# mysqladmin -u root password 'roooot'
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)'

修复过程:

#停止服务

service mysqld stop

#安全模式启动

mysqld_safe --skip-grant-tables &

#登录mysql,无需理会密码提示

mysql -u root -p

use mysql;

update user set password=password("root") where user='root' and host='localhost';

flush privileges;

quit

#正常启动mysql

service mysqld restart

1.新增用户

#mysql -u root -p

mysql>CREATE USER test IDENTIFIED BY 'test';

2.新建库

#mysql -u root -p

createdatabasetestCHARACTER SET utf8COLLATEutf8_general_ci;

createdatabasetest_gbkCHARACTER SET gbkCOLLATEgbk_chinese_ci;

createdatabasetargetCHARACTER SET utf8COLLATEutf8_general_ci;

createdatabasetarget_gbkCHARACTER SET gbkCOLLATEgbk_chinese_ci;

createdatabase benchmarkCHARACTER SET gbkCOLLATEgbk_chinese_ci;
createdatabase sourceCHARACTER SET gbkCOLLATEgbk_chinese_ci;
createdatabase unittestCHARACTER SET gbkCOLLATEgbk_chinese_ci;

mysql>grantallprivilegesontest.*totest@'%' identifiedby'test';

mysql>flushprivileges;

3.解决远程连接出错

mysql-uroot-pmysql

mysql>usemysql;

mysql>updateusersethost='%'whereuser='root';

mysql>flushprivileges;

4.新建表空间

CREATETABLESPACE'tbs_data'ADDDATAFILE'tbs_data.ibd'ENGINE=INNODB;

5.设置表存储路径

CREATETABLE`D_TF_DATA_AGGREGATION_MYISAM`(

`strative_id`VARCHAR(16)NOTNULL,

`date_id`VARCHAR(8)NOTNULL,

`qua_id`VARCHAR(4)NOTNULL,

`fh`DECIMAL(16,6)DEFAULTNULL,

`dl`DECIMAL(16,6)DEFAULTNULL,

PRIMARYKEY(`strative_id`,`date_id`,`qua_id`)

)ENGINE=MYISAMDATADIRECTORY='/data/mysql'INDEXDIRECTORY='/data/mysql';

CREATETABLE`D_TF_DATA_AGGREGATION`(

`strative_id`VARCHAR(16)NOTNULL,

`date_id`VARCHAR(8)NOTNULL,

`qua_id`VARCHAR(4)NOTNULL,

`fh`DECIMAL(16,6)DEFAULTNULL,

`dl`DECIMAL(16,6)DEFAULTNULL,

PRIMARYKEY(`strative_id`,`date_id`,`qua_id`)

)ENGINE=INNODBDATADIRECTORY='/data/mysql'

showwarnings;

到此,相信大家对“MySQL的基本管理方法”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!