Analyze and solve the problem of garbled mysql command line

When using the mysql command line client under a Linux system, sometimes the command line will be garbled. This problem may affect our data operations in mysql. This article will analyze and solve the problem of garbled characters in the mysql command line.

1. Problem description

When we use the mysql command line client to connect to the database under the Linux terminal, the Chinese characters entered may appear garbled

In the data operation During the process, garbled characters may prevent us from operating correctly, so it is very important to solve this problem.

2. Problem Analysis

The reason why the mysql command line is garbled is because the mysql terminal character set is inconsistent with the operating system character set, or the default character set of the mysql client is incorrect, and corresponding actions need to be taken. configuration can be solved.

3. Solution

1. Modify the mysql client default character set

We can solve the mysql command line problem by modifying the mysql client default character set Garbled code problem. The method is as follows:

Enter the following command in the mysql command line:

set names utf8;

This command will set the mysql client to use the utf8 character set by default to avoid Chinese garbled characters.

If you want to permanently modify the default character set of the mysql client, you can add the following configuration to the mysql client configuration file my.cnf:

[client]
default-character-set = utf8

Then restart the mysql service.

2. Modify the terminal character set

If modifying the default character set of the mysql client cannot solve the problem, we can consider modifying the terminal character set to solve it. The method is as follows:

First check the current terminal character set:

echo $LANG

If the output is empty, set the terminal character set through the following command:

export LANG=en_US.utf8

If the current terminal does not support it utf8 character set, which can be modified by the following steps:

Open the terminal configuration file:

vim /etc/profile

Find the following line:

export LANG=C

Replace it with:

export LANG=en_US.utf8

After saving and exiting the configuration file, use the following command to make the configuration file take effect:

source /etc/profile

Then close the terminal and reopen the mysql client for testing. If the mysql command line garbled problem is solved, it means it has been successful. Modified terminal character set.

4. Summary

This article introduces some methods to solve the problem of garbled mysql command line. These methods can be selected and used according to specific situations, which can help us use the mysql database more efficiently.

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