新装的MySQL没有密码怎么办

新装的mysql没有密码怎么办

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[root@localhost log]# mysql -u root -p Enter password: Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 21 Server version: 8.0.15 MySQL Community Server - GPL   Copyright (c) 2000, 2019, 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> set password='123456'; Query OK, 0 rows affected (0.00 sec) //或者 mysql> ALTER user 'root'@'localhost' IDENTIFIED BY '123456';

2.新版mysql（8.0+）连接数据库出现2059

原因：MySQL的8.0.*版本使用的是caching_sha2_password验证方式，而Navicat Premium 12还不支持该种方式

解决：

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1	在数据库命令行中输入：ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';

　

重新连接就OK

 

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