MySQL 8.0 ZIP版本安装及MySQL 8.0密码修改
一、下载
Win64下载地址： https://dev.mysql.com/downloads/mysql/
https://dev.mysql.com/downloads/file/?id=480557
二、解压
- 解压文件
- 新建或删除新建目录data
- 新建my.ini文件
新建my.ini文件【红色部分自己根据自己的目录修改】
将以下内容复制到新建的配置文件中，其中basedir和datadir设置mysql文件夹路径：
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8
[mysqld]
#设置3306端口
port = 3306
# 设置mysql的安装目录
basedir=D:\mysql
# 设置mysql数据库的数据的存放目录
datadir=D:\mysql\data
# 允许最大连接数
max_connections=10000
# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
wait_timeout=86400
interactive_timeout=7200
三、环境变量配置
MYSQL_HOME:D:\mysql
在path 后面添加 ;%MYSQL_HOME%\bin
四、安装
- 打开cmd.exe,必须以管理员的身份运行
- 如不做环境配置，需要进入安装路径的\bin目录
- 初始化数据库
mysqld --initialize --user=mysql –console
执行如下:
C:\windows\system32>mysqld --initialize --user=mysql --console
2019-01-18T10:05:44.356340Z 0 [System] [MY-013169] [Server] D:\mysql\bin\mysqld.
exe (mysqld 8.0.13) initializing of server in progress as process 8664
2019-01-18T10:05:44.358482Z 0 [Warning] [MY-013242] [Server] --character-set-ser
ver: 'utf8' is currently an alias for the character set UTF8MB3, but will be an
alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to
be unambiguous.
2019-01-18T10:05:52.696709Z 5 [Note] [MY-010454] [Server] A temporary password i
s generated for root@localhost: _pOpYSu-p4-Y
2019-01-18T10:05:55.858120Z 0 [System] [MY-013170] [Server] D:\mysql\bin\mysqld.
exe (mysqld 8.0.13) initializing of server has completed
2019-01-18T10:05:55.858120Z 0 [System] [MY-013170] [Server] D:\mysql\bin\mysqld.
exe (mysqld 8.0.13) initializing of server has completed
4.安装服务
mysqld --install MySQL
执行如下:
C:\windows\system32>mysqld --install MySQL
Service successfully installed.
5.启动服务
net start MySQL
执行如下:
C:\windows\system32>net start MySQL
MySQL 服务正在启动 ..
MySQL 服务已经启动成功。
五、密码修改
1、cmd输入命令：
mysql -u root -p
输入上面的初始密码
执行如下:
C:\windows\system32>mysql -u root -p
Enter password: ************
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 20
Server version: 8.0.13
Copyright (c) 2000, 2018, 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.
2、修改新密码
ALTER USER USER() IDENTIFIED BY '123456';
执行如下:
mysql> ALTER USER USER() IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.09 sec)
3、使用数据库
use mysql
执行如下:
mysql> use mysql
Database changed
4、查询当期的密码格式
select user,plugin from user where user='root';
执行如下:
mysql> select user,plugin from user where user='root';
+------+-----------------------+
| user | plugin |
+------+-----------------------+
| root | caching_sha2_password |
+------+-----------------------+
1 row in set (0.00 sec)5、修改密码格式
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'r
oot';
ALTER USER USER() IDENTIFIED BY '123456';
FLUSH PRIVILEGES;
执行如下:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';
Query OK, 0 rows affected (0.09 sec)
mysql> ALTER USER USER() IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.09 sec)
mysql> select user,plugin from user where user='root';
+------+-----------------------+
| user | plugin |
+------+-----------------------+
| root | mysql_native_password |
+------+-----------------------+
1 row in set (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.01 sec)
mysql>六、连接测试
1) 以上已在命令行中测试过了；
2) 也可使用navicat premium 等客户端连接测试；
参考：
https://www.cnblogs.com/Michael1/p/5806384.html
https://www.cnblogs.com/--net/p/6796445.html
https://blog.csdn.net/qq_42909551/article/details/81710302
https://majing.io/posts/10000005531181
https://blog.csdn.net/weixin_40393909/article/details/80390315