Which of the following is a common database management system?

MySQL is indeed a well-known relational database management system (RDBMS) that is widely used for managing structured data. It allows users to create, manipulate, and query databases using a standardized language known as SQL (Structured Query Language). MySQL supports various features such as data storage, retrieval, and management, making it suitable for web applications, data warehousing, and other scenarios where a robust database solution is required.

The focus on relational databases, scalability, and community support contributes to MySQL's popularity, making it a common choice among developers and businesses. It is open-source, which also makes it accessible to a broader audience compared to proprietary software.