This article isn’t about the act of lock escalation itself, which is already well documented and generally well understood. Some myths (like row locks escalating to page locks) persist, but challenging those yet again probably wouldn’t change much.
2022-09-19
SQL Server provides information for troubleshooting performance. Ed Pollack demonstrates collecting SQL Server performance monitor data.
2021-08-11
Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...
The...
2019-04-17
Years ago, my first go-to tool for performance tuning was Performance Monitor: it was available everywhere, worked in all versions, and gave me a lot of useful information without paying for a monitoring tool. Since then, I’ve moved on – wait stats are a much better starting point – but there are still 3 good Perfmon counters that I rely on.
2019-02-13
2,442 reads
By Steve Jones
anderance – n. the awareness that your partner perceives the relationship from a totally...
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
Nguyen Khanh Tung Email: traiphieu.com@gmail.com ORCID: 0009-0002-9877-4137 -------------------------------------------------------------------------------- Abstract This article presents a numerical...
Hello, I think I need a recursive cte query but unsure of the logic....
True or False: Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.
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