# Sources

Pinned target snapshot: 2026-09-05. Guidance summarizes sources; no upstream prose copied.

- Microsoft, SQL Server 2025 documentation: https://learn.microsoft.com/sql/sql-server/
- Microsoft, database engine performance: https://learn.microsoft.com/sql/relational-databases/performance/
- Microsoft, index architecture/design: https://learn.microsoft.com/sql/relational-databases/sql-server-index-design-guide
- Microsoft, transaction locking/versioning: https://learn.microsoft.com/sql/relational-databases/sql-server-transaction-locking-and-row-versioning-guide
- Microsoft, SQL Server security: https://learn.microsoft.com/sql/relational-databases/security/
- Microsoft, query processing architecture: https://learn.microsoft.com/sql/relational-databases/query-processing-architecture-guide
- Microsoft, SQL injection: https://learn.microsoft.com/sql/relational-databases/security/sql-injection

Verify server version, database compatibility level, edition, and feature support before version-specific advice.