Advent of 2025, Day 18 – SQL Server 2025 – Optimized locking
Read OriginalThis technical article details the 'Optimized Locking' feature in Microsoft SQL Server 2025. It explains how the feature, composed of Transaction ID (TID) locking and Lock After Qualification (LAQ), reduces lock memory usage, prevents lock escalation, and improves workload concurrency by releasing row locks sooner. The post includes a code example to check and enable the feature, which is disabled by default.
Advent of 2025, Day 18 – SQL Server 2025 – Optimized locking
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