Tutorial on the principle and application of database system (003) -- MySQL installation and configuration: manually configure MySQL (Windows Environment)

Database system principle and Application Tutorial （003）—— MySQL Installation and configuration ： Manual configuration MySQL（windows Environmental Science ）

One 、 install MySQL

1、 Double-click the installation file , The installation wizard as shown in the following figure pops up .

2、 single click 【Next】 Button , Show user license agreement window , As shown in the figure below .

3、 Choose 【I accept the terms in the License Agreement】 Options , single click 【Next】 Button , Pop up... As shown in the figure below 【 Choose the installation type 】 window .

4、 single click 【Typical】, Choose a typical installation , Pop up... As shown in the figure below 【 Ready to start installation MySQL】 Interface , single click 【Install】 Start installation .

5、 installation is complete . Cancel 【Launch the MySQL Instance Configuration Wizard】 Options , single click 【Finish】 End installation , Use manual configuration MySQL.

Two 、 Configure environment variables

1、 find MySQL Installation path for , open bin Catalog , hold bin route 【C:\Program Files\MySQL\MySQL Server 5.5\bin】 Copy to clipboard , As shown in the figure below .

2、 Right click on the desktop 【 This computer 】, choice 【 attribute 】, As shown in the figure below .

3、 In the pop-up 【 Set up 】 Window , Input 【 Environmental Science 】, Then select from the drop-down list 【 Edit system environment variables 】, As shown in the figure below .

4、 In the pop-up 【 System attribute 】 In the dialog box , single click 【 environment variable 】 Button , As shown in the figure below .

5、 In the pop-up 【 environment variable 】 Select... In the dialog box 【Path】, And then click 【 edit 】 Button , As shown in the figure below .

6、 In the pop-up 【 Edit environment variables 】 Dialog box, click 【 newly build 】 Button , hold MySQL Of bin Paste the path to the last line , As shown in the figure below .

7、 single click 【 determine 】 Button to complete the configuration of environment variables .

Be careful ： After the environment variable configuration is completed, it must be reopened cmd The command line window will take effect .

3、 ... and 、 Install and start MySQL service

1、 Open as administrator windows Command line window , As shown in the figure below .

2、 In the command line window , Type the following command to install MySQL service

3、 Enter the following command to start MySQL service

4、 see MySQL Service information

（1） Right click on the desktop 【 This computer 】, choice 【 management 】, As shown in the figure below .

（2） In the pop-up 【 Computer management 】 Select... In the dialog box 【 Services and Applications 】, And then click 【 service 】, Find MySQL service . You can see MySQL The service information is as follows ：（1） name ：MySQL;（2） state ： Running ;（3） Start type ： Automatically .

Four 、 Set up root Login password of the account

After the above steps are set ,root The account has no login password by default . here ,root The account can log in directly , No password required . As shown in the figure below .

by root Set the login password for the account ： Use root Account login system , Execute the following command .

Log back in MySQL, have access to root account number , password 【123456】 Login system , As shown in the figure below .