Mysql-8.0.17-winx64 (additional Navicat) manual configuration version installation

One 、 Download address ：

mysql-8.0.17-winx64

Download decompression

Two 、 Open file

stay mysql Create under folder my.ini file , Copy the contents into the file ;

[client]
# The client port number is 3306
port   = 3306
socket  =/data/3306/mysql.sock
#  Set up mysql Client default character set 
default-character-set=utf8

[mysqld]
#  Set up 3306 port 
port = 3306
user = root
socket  =/data/3306/mysql.sock
#  Set up mysql Installation directory 
basedir=D:\\appinstall\mysql-8.0.17-winx64
#  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=D:\\appinstall\mysql-8.0.17-winx64\\data
#  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

Be careful , When saving this file, open it in Notepad =》 file =》 Save as =》 With ANSI Format preservation

3、 ... and 、 Configure environment variables , stay path Add to bin Folder Lu Jin ：D:\appinstall\mysql-8.0.17-winx64\bin

Four 、 Installation command operation

1. Delete data Folder ;

2. Administrator rights CMD Of bin Under the table of contents , Remove incorrectly installed mysqld service ;

dos The command operation ：mysqld -remove MySQL
3. stay CMD Of bin Execute under directory

dos The command operation ：mysqld --initialize-insecure

You'll find that the program mysql Under the root directory of data Folders and related files

4.bin Execute under directory

dos The command operation ：mysqld -install

Service successfully installed.

5.bin Execute under directory mysql Service startup net start mysql
MySQL The service is starting ..
MySQL Service started successfully .

6.dos The command operation ：

mysql -u root -p

There is no password at the moment , direct enter Build in

Then enter the command according to the following figure ;

use mysql;

update user set password=password("12345") where user="root";   # Put the user name as root The no password of is changed to 12345

When the execution is finished, there is no error reported above , Explain that you will use the user name root The password of was successfully modified to 12345, If you make a mistake ： Here's the picture

The error in the above figure indicates that the statement is wrong , perform ：

update mysql.user set authentication_string=password('12345') where user='root';

If it's still wrong , Proposed installation navicat, Then open the , Create connection , Password-free login .

Then change it directly to the password you want ,ok;

5、 ... and 、navicat Download installation and registration code problems

Download address ：https://download.csdn.net/download/yang1076180972/11458610

The decoding step reprints the address ：https://www.jianshu.com/p/5f693b4c9468

Use 5.0 If the version of the registration machine fails to generate decoding , Please use 4.9 Version decoding .

complete ！