Which of the following is an example of a relational database management system (RDBMS)?
a) MongoDB
b) MySQL
c) Redis
d) Cassandra
Answer:
b) MySQL
Explanation:
MySQL is an example of a relational database management system (RDBMS), which stores data in the form of tables. In an RDBMS, data is organized based on relationships between tables using primary keys and foreign keys.
RDBMSs like MySQL, PostgreSQL, Oracle, and SQL Server use SQL as the primary language for querying and managing the database. These systems ensure data consistency, integrity, and support transactions.
Other systems, like MongoDB and Cassandra, are NoSQL databases that do not rely on the traditional table-based relational model.