mysql 5.7 installation and connection

1. Download address

Download connection https://dev.mysql.com/downloads/mysql/5.7.html

2. After downloading, unzip to the directory you want to place

3. Create a new my.ini file (the configuration file for mysql)

[client]
# 设置mysql客户端默认字符集
default-character-set=utf8
 
[mysqld]
# 设置3306端口
port = 3306
skip-grant-tables
# 设置mysql的安装目录
basedir=D:\Program Files\mysql-5.7.30-winx64
# 设置 mysql数据库的数据的存放目录，MySQL 8+ 不需要以下配置，系统自己生成即可，否则有可能报错
# datadir=D:\Program Files\mysql-5.7.30-winx64\sqldata
# 允许最大连接数
max_connections=20
# 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

4. After adding, go to the bin directory of the installation directory in the cmd command window:

Run: net start mysql

Then run mysql -u root -p
after entering the password and press Enter

5. Test

Connection test in Navicat Premium 12

Finished test