SQL Server 2025 introduces a new sys.dm_os_memory_health_history view to make it easier for meatbags like you and robots like Copilot to know if the SQL Server has been under memory pressure recently.
2025-10-06
Learn how a setting an improve high concurrency inserts with the OPTIMIZE_FOR_SEQUENTIAL_KEY option.
2025-10-01
4,533 reads
Learn about a new feature of SQL Server 2022 - Parameter Sensitive Plan Optimization(PSPO)
2025-09-15
1,528 reads
SQL Server 2025 improved PSPO to handle multiple predicates that might have parameter sensitivity, and that’s great! I love it when Microsoft ships a v1 feature, and then gradually iterates over to make it better. Adaptive Memory Grants were a similar investment that got improved over time, and today they’re fantastic.
2025-07-02
Learn a few ways to improve performance in your Azure SQL Databases through better indexing, partitioning, and columnstore index consideration.
2025-06-09
2,882 reads
There are several things that you can do to improve performance by throwing more hardware at the problem, but usually the place you get the most benefit from is when you tune your queries. One common problem that exists is the lack of indexes or incorrect indexes and therefore SQL Server has to process more data to find the records that meet the queries criteria. These issues are known as Index Scans and Table Scans.
2025-06-06
Do you wonder why SQL Server ignores an index? Do you think about how you can deal with this problem? When you include too many columns in a query you decrease index selectivity. So, if you write a query like “Select * From …” the chance of choosing your nonclustered index will decrease.
2025-03-03
Learn how to implement data partitioning within Microsoft Fabric to improve performance for Lakehouses, Warehouses, and Pipelines.
2025-01-13
Learn about SQL Server OPTION RECOMPILE and if used on simple, frequently executed queries if it causes excessive CPU usage.
2025-01-08
Every SQL Server developer has heard it: "Don't use NOLOCK in production!" But this common rule isn't as simple as it seems. Sometimes, what seems like a bad practice can actually be the right choice. Let's explain what NOLOCK really does in simple terms. When you use NOLOCK, you're telling SQL Server "just show me […]
2024-12-09
4,946 reads
By Rayis Imayev
"But I don’t want to go among mad people," Alice remarked."Oh, you can’t help...
By Steve Jones
I saw some good reviews of the small gemma3 model in a few places...
Why you should connect resiliently to SQL Server Transient failures happen — in the cloud...
hi, now and then i want one connection in my ssis pkgs to use...
Comments posted to this topic are about the item AlwaysON health check alerts
Comments posted to this topic are about the item Bat and SQL script to...