MariaDB Questions et reponses d'entretien
Question 1. What is MariaDB, and how does it differ from MySQL?
MariaDB is a fork of MySQL, created by the original developers of MySQL. It is designed to be highly compatible with MySQL but includes additional features and performance improvements.
Question 2. Explain the purpose of the mysqldump command.
mysqldump is a command-line utility for creating backups of MySQL or MariaDB databases. It produces a SQL script that can be used to recreate the database structure and data.
Question 3. What is the role of the InnoDB storage engine in MariaDB?
InnoDB is the default storage engine in MariaDB, known for its support of ACID transactions, foreign keys, and row-level locking. It provides reliability and performance for database transactions.
Question 4. Explain the purpose of the EXPLAIN statement in MariaDB.
The EXPLAIN statement is used to analyze and optimize the execution plan of a SQL query. It provides information about how MariaDB will execute a query, helping in performance tuning.
Question 5. What is a stored procedure, and how can you create one in MariaDB?
A stored procedure is a precompiled collection of one or more SQL statements that can be executed as a single unit. You can create a stored procedure in MariaDB using the CREATE PROCEDURE statement.
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