MySQL Chinese failure

MySQL Chinese failure problem

Hello everyone , This time I bring you my new column ： database , The database is relatively not that difficult , As long as you practice hard 、 Memorize grammar , I believe that learning database well is not a problem , Bloggers will start from 0 analyse , Explain the knowledge points of database step by step , And will give many examples . most important of all , Bloggers will not use software , Use the most primitive way -> Command line to explain , The advantage of this explanation is to write sentence by sentence , It won't cause the problem that readers can't keep up with their ideas ！

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When we use MySQL At the command line , You will encounter the following problems ：

This is because MySQL Incompatible with Chinese .

MySQL The default character set is Latin , To insert Chinese correctly , The character encoding method of data must be specified as UTF8 , Need modification my.ini The configuration file

What is the profile ?

For example, we play some games , The resolution can be adjusted in the settings Frame rate and so on , These settings that can be adjusted , It's called configuration . This way can make it very convenient for ordinary Wanjia to play .

But in programming circles , Many configuration items also need to be changed . Many software is used by programmers , So many software put special configuration information into a configuration file , Store in a specific format . Only professional people can understand , Programmers want to modify the configuration , You need to find the corresponding configuration file .

We can first judge our MySQL Do you support Chinese?

stay MySQL Enter this statement on the command line of ：

show variables like 'character%';

Be careful ： modify my.ini Be careful when you , Once you correct your mistakes, you may MySQL It won't work , So be sure to back up before modifying ！！！

The solution is as follows ：

1. Find... On the start menu MySQL, Then select one of the files , Right click -> more -> Open file location

   

2. After entering the folder , Right click the highlighted shortcut -> attribute

   

3. Copy the contents of the target

   

   “C:\Program Files\MySQL\MySQL Server 5.7\bin\mysql.exe” “–defaults-file=C:\ProgramData\MySQL\MySQL Server 5.7\my.ini” “-uroot” “-p” “–default-character-set=utf8”

   

   Teach you a simple way , You can find it MySQL Configuration file for

   You need to install a tool , It's called Everything, This tool can query files very fast ~

   Let's share the download link

   Everything 64 position _1.4.1.1009.exe

   

   In fact, we can also use the file search provided by the file manager to find , It's just so slow

4. Then copy the path of the configuration file , Go to file manager to open

   

5. open my.ini file （ Just a notepad ）

   Be sure to back up before modifying ! ! !

   

6. Find this place , Enter at the indicated location

   default-character-set=utf8
   

   

   Be careful ： You can't add #

7. Find this place , Enter

   character-set-server=utf-8
   

   

8. Then we have to restart MySQL. Search service , And then find MySQL57, Right click -> Restart

   

9. So far, , We have finished changing , But you need to log in again MySQL, At this time, the old database and tables are not affected , You must recreate the database and tables , To take effect

Look at the my.ini file

1. # It starts with notes , Never mind
2. [client] ： So let's start here , It is a configuration item for the client
3. [mysqld]： So let's start here , Client server