Install MySQL on Windows platform (with Navicat premium 12 "using" tutorial)

One . First, download the official website

Link address ：https://dev.mysql.com/downloads/mysql/8.0.html.
The first is Windows（x86,64 position ）,ZIP The archive
The second is Windows（x86,64 position ）,ZIP Archive debug binaries and test suites
Download as needed （ I downloaded the first ）

Two . use Open as Administrator Command prompt

1. Find the installation directory

C:\Windows\system32>d:
D:\>cd "MySQL"
D:\My SQL>cd mysql-8.0.19-winx64
D:\My SQL\mysql-8.0.19-winx64>cd bin

2. Input :mysqld --install

D:\My SQL\mysql-8.0.19-winx64\bin>mysqld --install

result （ Under normal circumstances ） as follows , That's it

Service successfully installed.

① If it appears

Install/Remove of the Service Denied

That's because you didn't open it as an administrator cmd
② If directly ejected

This is due to downloading vs2017 Above version , No MySQL The problem of , The two conflict , Can download
A collection of Microsoft common runtime libraries , Baidu or 360 Software managers can download

3. In the installation directory (D:\My SQL\mysql-8.0.19-winx64) New file my.ini, Write content ：

[client]
#  Set up mysql Client default character set 
default-character-set=utf8
 
[mysqld]


#  Set up 3306 port 
port = 3306

#  Set up mysql Installation directory 
basedir=D:\\MySQL\\mysql-8.0.19-winx64

#  Maximum connections allowed 
max_connections=20

#  The character set used by the server defaults to 8 Bit coded latin1 Character set 
character-set-server=utf8

#  The default storage engine that will be used when creating a new table 
default-storage-engine=INNODB

And then use it Run as Administrator cmd, Input ( Enter only the first line of command )：mysqld --initialize --console

D:\My SQL\mysql-8.0.19-winx64\bin>mysqld --initialize --console
2020-02-06T08:30:48.674372Z 0 [System] [MY-013169] [Server] D:\MySQL\mysql-8.0.19-winx64\bin\mysqld.exe (mysqld 8.0.19) initializing of server in progress as process 3936
2020-02-06T08:30:48.675666Z 0 [Warning] [MY-013242] [Server] --character-set-server: '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.
2020-02-06T08:30:50.016735Z 5 [Note] [MY-010454] [Server] A temporary password is generated for [email protected]: pY6q10jeu<py

Connect MySQL

D:\MySQL\mysql-8.0.19-winx64\bin>net start mysql
MySQL  The service is starting 
MySQL  Service started successfully .

If MySQL Has not started , You can open computer management , Find a service , And then find MySQL, Start it up

4. Connect mysql, Input mysql -u root -p

D:\MySQL\mysql-8.0.19-winx64\bin>mysql -u root -p

Enter password:
// See Step 3 when entering mysqld --initialize --console, And then a bunch of , Please pay attention to [Note] [MY-010454] [Server] A temporary password is generated for [email protected], After the colon is the password here , So my password is  pY6q10jeu<py

// Note that passwords are generated randomly 

A sign of success ：

D:\MySQL\mysql-8.0.19-winx64\bin>mysql -u root -p
Enter password: ************
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.19

Copyright (c) 2000, 2020, 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>

An error is reported if the password is entered incorrectly
① Enter without writing the password

Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

② Enter the wrong password

Enter password: ******
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

3、 ... and 、 If you want to change your password after logging in

Input ：alter user user() identified by “ New password ”;

alter user user() identified by "888888";

So your password is changed back to 888888

net start mysql  start-up MySQL
net stop mysql   stop it MySQL
sc delete mysql  uninstall MySQL

exit  sign out 

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