mysql怎么设定root密码
发布时间：2022-01-18 13:38:43 所属栏目：MySql教程 来源：互联网
导读：本篇内容介绍了mysql怎么设置root密码的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！ [root@centos bin]# service mysqld stop Shutting down MySQ
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本篇内容介绍了“mysql怎么设置root密码”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！ [root@centos bin]# service mysqld stop Shutting down MySQL.[ OK ] [root@centos bin]# ./mysqld_safe --skip-grant-tables& [1] 21267 [root@centos bin]# 2016-05-16T18:14:00.092388Z mysqld_safe Logging to '/soft/data//centos.err'. 2016-05-16T18:14:00.120089Z mysqld_safe Starting mysqld daemon with databases from /soft/data/ [root@centos bin]# [root@centos bin]# mysql -u root mysql -bash: mysql: command not found [root@centos bin]# ./mysql -u root mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 2 Server version: 5.7.12 Source distribution Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. mysql> update user set password=PASSWORD("root") where user='root'; ERROR 1054 (42S22): Unknown column 'password' in 'field list' mysql> mysql> mysql> mysql> use mysql Database changed mysql> update user set password=PASSWORD("root") where user='root'; ERROR 1054 (42S22): Unknown column 'password' in 'field list' mysql> mysql> mysql> mysql> mysql> select user from user; +-----------+ | user | +-----------+ | mysql.sys | | root | +-----------+ 2 rows in set (0.00 sec) mysql> desc user -> ; +------------------------+-----------------------------------+------+-----+-----------------------+-------+ | Field | Type | Null | Key | Default | Extra | +------------------------+-----------------------------------+------+-----+-----------------------+-------+ | Host | char(60) | NO | PRI | | | | User | char(32) | NO | PRI | | | | Select_priv | enum('N','Y') | NO | | N | | | Insert_priv | enum('N','Y') | NO | | N | | | Update_priv | enum('N','Y') | NO | | N | | | Delete_priv | enum('N','Y') | NO | | N | | | Create_priv | enum('N','Y') | NO | | N | | | Drop_priv | enum('N','Y') | NO | | N | | | Reload_priv | enum('N','Y') | NO | | N | | | Shutdown_priv | enum('N','Y') | NO | | N | | | Process_priv | enum('N','Y') | NO | | N | | | File_priv | enum('N','Y') | NO | | N | | | Grant_priv | enum('N','Y') | NO | | N | | | References_priv | enum('N','Y') | NO | | N | | | Index_priv | enum('N','Y') | NO | | N | | | Alter_priv | enum('N','Y') | NO | | N | | | Show_db_priv | enum('N','Y') | NO | | N | | | Super_priv | enum('N','Y') | NO | | N | | | Create_tmp_table_priv | enum('N','Y') | NO | | N | | | Lock_tables_priv | enum('N','Y') | NO | | N | | | Execute_priv | enum('N','Y') | NO | | N | | | Repl_slave_priv | enum('N','Y') | NO | | N | | | Repl_client_priv | enum('N','Y') | NO | | N | | | Create_view_priv | enum('N','Y') | NO | | N | | | Show_view_priv | enum('N','Y') | NO | | N | | | Create_routine_priv | enum('N','Y') | NO | | N | | | Alter_routine_priv | enum('N','Y') | NO | | N | | | Create_user_priv | enum('N','Y') | NO | | N | | | Event_priv | enum('N','Y') | NO | | N | | | Trigger_priv | enum('N','Y') | NO | | N | | | Create_tablespace_priv | enum('N','Y') | NO | | N | | | ssl_type | enum('','ANY','X509','SPECIFIED') | NO | | | | | ssl_cipher | blob | NO | | NULL | | | x509_issuer | blob | NO | | NULL | | | x509_subject | blob | NO | | NULL | | | max_questions | int(11) unsigned | NO | | 0 | | | max_updates | int(11) unsigned | NO | | 0 | | | max_connections | int(11) unsigned | NO | | 0 | | | max_user_connections | int(11) unsigned | NO | | 0 | | | plugin | char(64) | NO | | mysql_native_password | | | authentication_string | text | YES | | NULL | | | password_expired | enum('N','Y') | NO | | N | | | password_last_changed | timestamp | YES | | NULL | | | password_lifetime | smallint(5) unsigned | YES | | NULL | | | account_locked | enum('N','Y') | NO | | N | | +------------------------+-----------------------------------+------+-----+-----------------------+-------+ 45 rows in set (0.00 sec) mysql> update user set authentication_string=PASSWORD("root") where user='root'; Query OK, 1 row affected, 1 warning (0.03 sec) Rows matched: 1 Changed: 1 Warnings: 1 mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [root@centos bin]# service mysqld restart Shutting down MySQL.2016-05-16T18:16:32.859231Z mysqld_safe mysqld from pid file /soft/data/mysql.pid ended [ OK ] Starting MySQL.[ OK ] [1]+ Done ./mysqld_safe --skip-grant-tables [root@centos bin]# [root@centos bin]# [root@centos bin]# [root@centos bin]# mysql -u root -p root -bash: mysql: command not found [root@centos bin]# ./mysql -u root -p root Enter password: ERROR 1049 (42000): Unknown database 'root' [root@centos bin]# ./mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 3 Server version: 5.7.12 Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. mysql> exit Bye [root@centos bin]# [root@centos bin]# [root@centos bin]# “mysql怎么设置root密码”的内容就介绍到这里了，感谢大家的阅读。 （编辑：锡盟站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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