MariaDB Questions et reponses d'entretien
Question 6. How can you secure a MariaDB installation?
Securing MariaDB involves actions like setting strong passwords, limiting user privileges, enabling the firewall, and keeping the software up to date. Additionally, encryption and audit logging can enhance security.
Question 7. What is the purpose of the MariaDB optimizer, and how does it work?
The MariaDB optimizer is responsible for choosing the most efficient query execution plan. It evaluates various plans and selects the one with the lowest cost, based on factors like indexes and statistics.
Question 8. Explain the concept of database normalization and its importance.
Database normalization is the process of organizing data to reduce redundancy and improve data integrity. It involves dividing tables into smaller, related tables to eliminate data anomalies. Normalization improves efficiency and reduces data duplication.
Question 9. What is the purpose of the MariaDB INFORMATION_SCHEMA database?
The INFORMATION_SCHEMA database in MariaDB contains metadata about the server and its databases. It provides information about tables, columns, indexes, and other aspects of the database system.
Question 10. How do you perform a database backup and restore in MariaDB?
You can use tools like mysqldump for backup and the mysql command or other tools for restoring a MariaDB database. Additionally, there are techniques like using binary logs for point-in-time recovery.
Les plus utiles selon les utilisateurs :
- Explain the purpose of the mysqldump command.
- What is the purpose of the MariaDB INFORMATION_SCHEMA database?
- How can you secure a MariaDB installation?
- What is the purpose of the OPTIMIZE TABLE statement in MariaDB?