[tools] basic concept of database and MySQL installation

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Today we share the basic concepts of database and MySQL Install graphic tutorial .

1.  Basic concepts of database  

What is a database ？

1.  database (DataBase)  Namely Storage and management Warehouse of data

2.  Its essence is a file system ,  Or in the form of documents , Save the data on the computer

Why use database ？

Use a database to store data ,  Users can easily add data in the database ,  Delete ,  Modify and query operations （ Additions and deletions ）.

Why choose MySQL？

1.  Powerful , Enough to cope with web application development

2.  Open source ,  free

2. MySQL Installation and configuration of

2.1  install MySQL

MySQL 5.7  Installation diagram

First step ： Double click the installation package file 、 Installation

The second step ：MySQL agreement

agree! MySQL agreement  ,  choice  Server Only install MySQL The server can

choice Server Only install MySQL The server can

The third step ： Check before installation

Prompt that you need to install a software visual studio , Choose to install

Check agree , Install  install

Step four ： install ,Execut Execution and installation .

installation is complete , next step .

Step five ： Product configuration , next step , Start configuration .

Select a stand-alone configuration .

No need to change ,  Choose next .

by root User adds password to confirm password .

take Mysql Add to service ,  No change required , Next step .

Execute,  Make configuration changes .

installation is complete Finish.

Next.

Finish.

Step six ： installation is complete , Click the start option in the lower left corner of the computer or search directly , You can see MySQL.

    

Click Connect , Input password , enter , Successful connection .

Enter the command ：show databases; Display database information .

Come here MySQL Just install it ～

writing / Tester Daejeon  

2022.02.12, Day Watch   7/365 God

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