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That is, create a file in the root directory txt file , Name is “my”（ Customize ）, The file suffix is ini
Then copy the following code and put it in the file （ The newly unzipped file does not my.ini file , You need to create your own ）
In addition to the installation directory and data storage directory, the following code needs to be modified , The rest need not be modified

details —— Be sure to pay attention to the address ： this datadir You should add a following to the path of ”/data“, And it has to be ”\“ Change it to ”/“ Symbol

[mysqld]
#  Set up 3306 port 
port=3306
#  Set up mysql Installation directory    ---------- Is your file path -------------
basedir=E:\mysql\mysql
#  Set up mysql Database data storage directory   --------- Is your file path data The folder is created by itself 
datadir=E:\mysql\mysql\data
#  Maximum connections allowed 
max_connections=200
#  Number of connection failures allowed .
max_connect_errors=10
#  The character set used by the server defaults to utf8mb4
character-set-server=utf8mb4
#  The default storage engine that will be used when creating a new table 
default-storage-engine=INNODB
#  By default “mysql_native_password” Plug in authentication 
#mysql_native_password
default_authentication_plugin=mysql_native_password
[mysql]
#  Set up mysql Client default character set 
default-character-set=utf8mb4
[client]
#  Set up mysql The default port when the client connects to the server 
port=3306
default-character-set=utf8mb4

3. After creation ini After the document , Open and change the path , Path is the root directory path mentioned in the second point , here

Pay attention to the ： Path unification “/” Symbol , You'd better check it

4. install mysql5.7.23 Decompression version

4.1 Click this computer... In the folder ：

4.2 Find the advanced system settings or enter the advanced system settings , Then click on the environment variable

4.3 Configure environment variables -- Note that ” System environment variable “, That's the one below

4.4 Configure environment variables ：

4.4.1: Click Add , As shown in the figure ：

 Variable name ：
MYSQL_HOME
 A variable's value ： That is, the root directory path 
D:\soft\mysql-5.7.23-winx64

4.4.1 Find... In the picture path

Then click Edit , Enter the following interface , Then click New

Then copy the following code to the blue area

 %MYSQL_HOME%\bin

5. The next step is to use Administrator status Open Command Prompt

Need to go to bin Catalog （ At the root , There are pictures on it ）： When inputting, you can press Tab Complete the input

5.1 After entering bin Enter the installation command later

mysqld -install

The following code will be displayed , It means success

If it doesn't work , Display with dll The error message at the end of the file is , Your PC is missing this file , Then you need to download a software , Here, Xiaobian provides two software ： When downloading, make sure it is the official website ！！！！！ The address is below , Tutorials, too , Just install it

vcredist_x64.exe download -vcredist_x64.exe Download the official version [ Computer version ]-PC Download Network (pcsoft.com.cn)

(85 Bar message ) DirectX Repair tools V4.2 Enhanced version _directx Extension failed none internet,directx Repair tool extension failed - Desktop system document resources -CSDN library

5.2 Then re-enter the installation command

mysqld -install

5.3 Enter the initialization code insecure This thing is During initialization, this parameter sets the default password to null , Can not add

mysqld --initialize-insecure --user=mysql

According to just my.ini File to initialize , Then it will produce a data Folder , All the above said why we should add /data Why , also ”/“ This symbol

5.4 Input Start the service Code

net start mysql

5.5. Input Set password code The password is self-made

mysqladmin -u root -p password  New password

Enter password: Old password

Directly enter , Because initialization directly puts mysql The password for is set to null

The next two are settings password And re-enter the password

5.6. Check whether the connection test is successful

 mysql -uroot -p （ The code is empty ） enter    then   Enter the password you set

5.7 Display database

 show databases;

Display table

 show tables;

6. uninstall mysql

1 Out of Service net stop mysql
2. Delete service sc delete mysql But the service is only disabled , Services still exist
3. Remove the service mysqld remove Need to go to bin Catalog , Could not find in the service mysql Yes
4. Delete registry information
1）HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL
2）HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Eventlog\Application\MySQL
3）HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL
5. Delete mysql Installation directory
Open the registry win Add R Input
regedit
Open the service
services.msc

Be careful 1： Protected shutdown , In particular, self-protection should be turned off , Otherwise, you can't uninstall
Be careful 2： Permission problems

7. solve mysql Unable to connect remotely ：

1. stay mysql Enter... On the server mysql The command line
2. Execute the following statement ：（ Note that the password needs to be modified according to your own configuration ）
% The percent sign means that the database can be operated remotely
mysql> grant all privileges on *.* to [email protected]'%' identified by '123456';
It's refreshing
 mysql> flush privileges;
3. You need to add a firewall that needs to remotely control your computer mysql The port number can be passed directly, otherwise the firewall will block access
Select port Direct electricity next step
tcp agreement Port number 3306 This is mysql Default port number And then click next
Go straight to the next step

next step
Give me a name You can get up at will
A rule will be automatically added after the configuration number
Then you can go through ip Address to access the database on the computer where you configure the remote and set the rules
NAVIcat perhaps SQLyog Download tool Can be connected to a variety of databases Decompress it and you can use it directly
however SQLyog The tool needs to register the registration code, as shown in the figure below ： Any one

Authoring tool download
Navicat Premium 12.0.11_x64.zip - Blue clouds

Click Connect to select the database Then enter the password to connect If you need to connect to a remote service ip Change the address
The default port number is ”3306“, The password is just before cmd Set it yourself in , You can connect the super test to check
Whether it can be successful or not , Before connecting, you need to start the service
The name is self-made ：