The correct answer is: Oracle.
Oracle is a relational database management system (RDBMS) that runs on a variety of platforms, including Linux, Unix, and Windows. It is a popular choice for businesses of all sizes, as it offers a wide range of features and functionality. Oracle is also known for its reliability and scalability.
Microsoft SQL Server is a relational database management system developed by Microsoft. It is a full-featured database management system that can be used for a variety of purposes, including storing and managing data, running queries, and developing applications. SQL Server is available in a variety of editions, including Express, Standard, Enterprise, and Developer.
Microsoft Access is a database management system developed by Microsoft. It is a desktop database management system that is designed for small businesses and individuals. Access is a popular choice for users who need to create and manage simple databases.
MySQL is
an open-source relational database management system. It is one of the most popular database management systems in the world, and it is used by a wide range of companies, including Facebook, Twitter, and YouTube. MySQL is known for its speed, reliability, and scalability.In conclusion, the most popular commercial DBMS is Oracle. It is a powerful and reliable database management system that is used by businesses of all sizes.