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I am running MariaDB 10.3 on Ubuntu 20.04. Now MariaDB is not running and one database in it. Can I uninstall the MariaDB 10.3 retaining database? My plan is that install a higher version of MariaDB and get back the existing database. If so, which commands do I have to apply?

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    Dump the database (mysqldump databaseName > file.sql) , reinstall MariaDB, and import the database (mysql databaseName < file.sql). Is that what you need?
    – Jos
    Feb 17 at 10:55

2 Answers 2

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mysqldump -u [username] -p [DATABASE name] > [backup filename].sql

mysql -u [username] -p [DATABASE name] < [backup filename].sql
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  • MariaDB service is not running because of mysqld.sock problem. MySQL dump command will not work. Feb 18 at 11:04
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I got the solution, uninstall MariaDB without deleting databases and reinstall it again.

sudo apt purge "mariadb*" -y
sudo apt autoremove -y
sudo apt-get install mariadb-server mariadb-client

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