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SQL Server 2025 is Microsoft’s current-generation relational database platform, released as a major update with AI-focused features, improved query performance, and stronger security. It is designed to help teams build modern data applications while continuing to support familiar T-SQL workflows and existing SQL Server tooling.
This release adds developer-oriented capabilities such as vector search, native JSON improvements, change event streaming, and tighter integration with Microsoft Fabric and Azure Arc. Microsoft also highlights improved concurrency, faster query processing, and stronger availability features for production workloads.
SQL Server 2025 is available in multiple editions, including Enterprise, Standard, Developer, and Express. Enterprise targets large-scale, mission-critical workloads, while Standard is suited to mid-tier applications. Developer is free for non-production use, and Express is the free entry-level edition.
Licensing can follow either Core or Server/CAL models depending on edition and channel. Standard supports Server/CAL and Core licensing, while Enterprise uses Core licensing. This makes SQL Server 2025 suitable for both known-user environments and larger, more scalable deployments.
AI-ready database platform – Built to support AI-enabled applications and vector-based data workloads.
Vector search support – Helps applications work with embeddings and similarity-based retrieval.
Native JSON improvements – Adds better handling for JSON data types, indexing, and functions.
Change event streaming – Supports real-time, event-driven application patterns.
Improved concurrency – Optimised locking helps more users and processes work at the same time.
Faster query processing – Batch mode and query engine enhancements improve performance.
Azure Arc integration – Centralised management across on-premises, multi-cloud, and edge environments.
Fabric connectivity – Supports near-real-time analytics and broader Microsoft data platform workflows.
Multiple editions available – Standard, Enterprise, Developer, and Express for different deployment needs.
Flexible licensing options – Core or Server/CAL licensing depending on edition and scenario.
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