2. Uninstalling MariaDB/MySQL on CentOS 7 or RHEL 7: A Step-by-Step Guide
   mysql: This refers to the database management system itself, not a programming instruction.centos: This isn't part of the commands
3. Migrating Your MariaDB Database in CentOS 7: Addressing datadir Woes
   In MariaDB, the data directory (datadir) stores crucial database files, including tables, indexes, and logs.The default location on CentOS 7 is typically /var/lib/mysql