Which of the following is a database management system developed by Microsoft?

The correct response, which indicates that MS SQL is a database management system developed by Microsoft, is grounded in the well-established offerings of the company's software suite. Microsoft SQL Server (often abbreviated to MS SQL) is specifically designed to manage and store data, and it provides tools for data analysis, data entry, and business intelligence applications. As part of Microsoft's infrastructure solutions, it supports various applications and services that integrate with other Microsoft products, enhancing productivity and efficiency in data handling.

In contrast, Oracle Database is a product created by Oracle Corporation and renowned for its robust features and enterprise-level capabilities. SQLite is a lightweight database engine often used in mobile apps and embedded systems but is not affiliated with Microsoft. PostgreSQL, while a powerful open-source relational database management system, is developed by a community of volunteers and not by Microsoft.