Microsoft SQL Server is a robust, enterprise-grade relational database management system (RDBMS) offering high performance, advanced security, and seamless cloud integration. With features like in-memory OLTP, Always On availability groups, T-SQL support, and built-in AI with R and Python, SQL Server ensures scalability, reliability, and real-time analytics. Ideal for mission-critical applications, it supports hybrid cloud deployments with Azure and provides flexible licensing options, including a free Express edition for small-scale use. Discover how SQL Server enhances data management, business intelligence, and machine learning workflows.