Specific steps for installing mysql8.0 on Windows system

Just record ：

If you've installed Mysql, Pay attention to the back 2.1 In the step port Cannot be filled in if selected 3306, You can select ports that are not used by other systems . If you want to uninstall the previous MySQL, Mainly delete MySQL service （net stop mysql,sc delete mysql）, Otherwise, it will automatically start the previous mysql service , The new version cannot run . For specific steps of deletion, see https://zhuanlan.zhihu.com/p/68190605

Next is the specific installation steps ：

1. Go to the official website to download . See address Official address , No registration , choice download--》no thanks,start ...

2. Unzip it and put it in the location to be installed , As my ：

 

             2.1 stay sql New China my.ini file , The contents are as follows ： The default ports are 3306, If multiple mysql, Be careful not to repeat the port .

 [client]
#  Set up mysql Client default character set 
default-character-set=utf8mb4
 
[mysqld]
#  Set up 3306 port 
port = 3306
#  Set up mysql Installation directory 
basedir=E:\\MySQL\\sql
#  Set up  mysql Database data storage directory ,MySQL 8+  The following configuration is not required , The system can be generated by itself , Otherwise, it is possible to report an error 
# datadir=C:\\web\\sqldata
#  Maximum connections allowed 
max_connections=20
#  The character set used by the server defaults to 8 Bit coded latin1 Character set 
character-set-server=utf8mb4
#  The default storage engine that will be used when creating a new table 
default-storage-engine=INNODB

            2.2 cd To bin Under the table of contents , My is cd E:/mysql/sql/bin, Convenient for subsequent command lines mysql、mysqld Etc .

3. Initialize database

mysqld --initialize --console

Record temporary password ：h%LI35(I7-eg

E:\MySQL\sql\bin>mysqld --initialize --console
2020-02-16T04:03:42.024265Z 0 [System] [MY-013169] [Server] E:\MySQL\sql\bin\mysqld.exe (mysqld 8.0.19) initializing of server in progress as process 996
2020-02-16T04:03:56.263496Z 5 [Note] [MY-010454] [Server] A temporary password is generated for [email protected]: h%LI35(I7-eg

4. install MySQL service , Received the results ：Service successfully installed.

mysqld install

5. start-up MySQL service , Service started successfully .

net start mysql

6. Sign in , The password was recorded before , And change the password （ There are many ways , however mysql8.0 No need to add password("123456"), Instead of directly ‘123456’）.

mysql -u root -p

set password for [email protected] = '123456';