SQL Server 2025 is Microsoft's flagship relational database management system (RDBMS), a comprehensive platform for enterprise data storage, processing, and analytics that runs on both Windows and Linux. This release introduces transformative capabilities including native AI integration with vector search and model invocation, a native JSON data type with indexing support, enhanced real-time analytics, and performance improvements through intelligent query processing. Understanding SQL Server's rich feature set—from core T-SQL syntax and indexing strategies to advanced capabilities like temporal tables, Always On availability, and in-memory OLTP—is essential for building scalable, high-performance database solutions that meet modern application demands.

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