Solve the problem of Chinese garbled characters written to mysql

The question leads to:

When writing data to the mysql database from another system, I found that the Chinese text changed to ?????.

The solution is as follows:

First check the database settings. The corresponding character set of the server is latinl

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Adjust mysql parameter configuration, configuration file directory /etc/mysql/mysql.conf.d/

Add a line: character-set-server = utf8

Then restart the mysql service, check the server parameter configuration again, and rewrite Chinese to normal.

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