seniorT-SQL
What are memory-optimized tables in SQL Server?
Updated May 17, 2026
Short answer
Memory-optimized tables are stored in memory for ultra-low latency access.
Deep explanation
They use latch-free data structures and optimistic concurrency. Data is persisted via checkpoint files but primarily accessed in-memory, reducing disk IO significantly.
Unlock with a Pro subscription to view this section.
View pricingReal-world example
No real-world example available yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProCommon mistakes
No common mistakes listed yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProFollow-up questions
No follow-up questions available yet.
Unlock with a Pro subscription to view this section.
Upgrade to Pro