Install MySQL tutorial

1. download

1. Click the download link :
MySQL Download link

2. The last two are Debug That is, the source code file , We select the corresponding version number from the above two according to our system digits . Then click start download .

2. install ( decompression )

1. After downloading, we get a compressed package , Unzip it , We can get MySQL5.7.24 Version of the software ontology ( It's just a folder ) We can cut it to the path you are familiar with .

3. To configure

1. Add environment variables
Right click this phone –> attribute –> Advanced system setup –> environment variable –> newly build

2. Locate and double-click in the system variable Path


3. Then we verify that the addition was successful ? The following message appears to indicate that the addition was successful , If you are prompted mysql Not an internal or external command , Nor are they runnable programs or batch files , It means that the addition failed , Please recheck the steps and try again .55

This application error appears here , It's missing vcredist
So we need to download this file Vcredist download

After we download and install , We restart the command line , Input mysql, The following line represents success .

4. New configuration file

1. Create a new text file , The contents are as follows :

[mysql]
default-character-set=utf8

[mysqld]
character-set-server=utf8
default-storage-engine=INNODB
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

2. Then save the above text file as , And select all files in the save type , File name my.ini, The existing path is MySQL Root directory ( For example, mine is E:\soft\MySQL\mysql-5.7.24-winx64)
notes : The text file code means that the default code set of the configuration database is UTF-8 And the default storage engine is INNODB

5. initialization MySQL

1. Enter in black window mysqld --initialize-insecure, enter , Wait a while. If no error message appears ( Here's the picture ) Then prove data There is no problem with directory initialization , Check again at this time MySQL There are already data Directory generation .

tips: If the above error occurs , Due to insufficient permissions , Go to C:/Windows\System32 Run as administrator under cmd.exe

2. And then we're typing mysqld --initialize-insecure The representative has no problem , Then we go to check MySQL Is there any generation under the directory data Catalog .

It does generate data Catalog .

6. register MySQL service

1. Enter... On the command line mysqld -install, enter .

Now your computer has been installed MySQL Yes

7. start-up MySQL service

Enter... On the command line net start mysql, enter .
tips:
net start mysql // start-up mysql service
net stop mysql // stop it mysql service

8. Modify default account password

Enter... On the command line mysqladmin -u root password 123456, there 123456 Default administrator ( namely root Account ) Password , You can change it to your favorite password
mysqladmin -u root password 1234

9. Sign in MySQL

WIN+R, Input cmd Open Command Prompt
Enter... On the command line ,mysql -uroot -p123456 , enter , The following figure appears and the lower left corner is mysql>, Login succeeded

Here you can operate your MySQL 了 .
sign out mysql:
tips:
exit perhaps quit
Login parameters :
mysql -u user name -p password -h To connect the mysql Server's ip Address ( Default 127.0.0.1) -P Port number ( Default 3306)

10. download MySQL

1. First close MySQL , Enter... On the command line net stop mysql, enter .
2. In the input mysqld -remove mysql
3. Finally delete MySQL Directory file and related environment configuration
On behalf of MySQL Uninstall completed .