mysql出现1045错误怎么办
发布时间：2021-12-24 13:22:58 所属栏目：MySql教程 来源：互联网
导读：这篇文章给大家分享的是有关mysql出现1045错误怎么办的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。 --mysql5.6，安装好后进行登录出现 [root@mytest_db usr]# mysql -uroot -p Enter password: ERROR 1045 (28000): Access de
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这篇文章给大家分享的是有关mysql出现1045错误怎么办的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。 --mysql5.6，安装好后进行登录出现 [root@mytest_db usr]# mysql -uroot -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) 提示密码问题，再用命令修改，也会出现以下错误 [root@mytest_db usr]# mysqladmin -u root password 'petrel' mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: NO)' 这个时候需要用这种方法进行处理 --重启mysql服务，采用mysqld_safe的方式进行 [root@mytest_db usr]# service mysql stop Shutting down MySQL...[ OK ] [root@mytest_db usr]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [1] 5043 启动后，就可以直接不用密码直接进入了，这个时候重新设置密码 [root@mytest_db usr]# mysql -uroot Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server version: 5.6.19 MySQL Community Server (GPL) Copyright (c) 2000, 2014, 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> use mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> update user set Password=PASSWORD('petrel') where user = 'root'; Query OK, 4 rows affected (0.00 sec) Rows matched: 4 Changed: 4 Warnings: 0 mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> quit Bye [root@mytest_db usr]# service mysql restart 这个时候，再进行登录就没问题了 [root@mytest_db data]# mysql -uroot -ppetrel Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 4 Server version: 5.6.19 Copyright (c) 2000, 2014, 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. 登录后，需要再进行一次密码设置才能使用。 mysql> use mysql; ERROR 1820 (HY000): You must SET PASSWORD before executing this statement mysql> grant all privileges on *.* to root@'localhost' identified by 'petrel'; ERROR 1820 (HY000): You must SET PASSWORD before executing this statement mysql> set PASSWORD=PASSWORD('petrel'); Query OK, 0 rows affected (0.00 sec) --出现mysql.user表里面用户为空时出现 ERROR 1045 (28000): Access denied for user 这个时候可以进行如下处理 删除这些为空的用户或者更新为其他用户名 删除user.user中值为NULL的,或更新NULL为其它值等 mysql> delete from user where user is NULL Query OK, 1 rows affected (0.00 sec) 或者更新为其它值 mysql> update user set user='mytest' where user is NULL Query OK, 1 rows affected (0.00 sec) --如果mysql.user表里面没有可以访问的用户，也会出现 MYSQL ERROR 1045 (28000): Access denied for user (using password: YES) 这个时候，我们就要采用如下步骤进行 [root@mytest_db usr]# service mysql stop Shutting down MySQL...[ OK ] [root@mytest_db usr]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [root@mytest_db usr]# mysql -uroot Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server version: 5.6.19 MySQL Community Server (GPL) Copyright (c) 2000, 2014, 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> select * from user; 发现没有用户 mysql> INSERT INTO user(host, user, password, select_priv, insert_priv, update_priv) VALUES ('localhost', 'username', PASSWORD(‘yourpassword'), 'Y', 'Y','Y'); Query OK, 1 row affected, 3 warnings (0.00 sec) 感谢各位的阅读！关于“mysql出现1045错误怎么办”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！ （编辑：通辽站长网） 【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! |
