Python learning diary (thirty-three) Mysql database a chapter

background

Mysql is a relational database, developed by the Swedish Mysql AB, currently part of Oracle's products. Mysql is one of relational database management system is currently the most popular in terms of WEB, Mysql is the best RDBMS (Relational Database Management System). Mysql is a relational database management systems, relational database stores data in separate tables rather than putting all the data in a large warehouse, thus increasing the speed and improved flexibility.

 

Other similar software:

Relational databases: sqllite, db2, Oracle, access, sql sever, Mysql

Non-relational database: MongoDB, redis

 

installation

On Windows systems, we downloaded After Mysql installed to any directory, you can see there are a bin file to open

There are mysql.exe and mysqld.exe two executable files, which are client and server

 

Enable

After obtaining the bin directory path, the server initialization

After entering the above statement we will find the original directory will be more of a data folder

And then start the server

Then we re-open a new command, to achieve the client connects to the server

Here default user name is root password is empty, press Enter to skip like execution

Use show databases; see the file in the data file:

You can also create a new db file:

 

Adding Environment Variables

If you think should add a long list of a lot of trouble each time the path we can add environment variables directly in the system

Get bin path: F: \ mysql-8.0.11-winx64 \ mysql-8.0.11-winx64 \ bin

The computer then right -> Advanced System Settings -> Advanced -> Environment Variables -> Path system variables in the back plus; path

So that we in the implementation of the server and the client without adding on the path

Server:

Client:

 

Mysql service on Windows production

So that we can see the Mysql service on the service's process, we can click on the top left to start this service

Or we enter the following statement can also start the service

If you want to stop the Mysql service

Remove Mysql service

 

 

Guess you like

Origin www.cnblogs.com/Fantac/p/11563528.html