When Page Prefetching Takes a Back Seat – Exploring Trace Flag 652 in SQL Server
Learn how a trace flag affects SQL Server reading from disk and where this might be a useful thing for you to enable.
2025-09-24
2,506 reads
Learn how a trace flag affects SQL Server reading from disk and where this might be a useful thing for you to enable.
2025-09-24
2,506 reads
2024-05-13
593 reads
2021-08-30
413 reads
A failed SQL Server Service Pack upgrade is fixed with a trace flag.
2020-07-27
5,791 reads
2019-12-26
508 reads
Paul White walks through a new trace flag in SQL Server 2016 designed to yield better execution plans (and performance) for queries involving computed columns.
2017-06-20
4,841 reads
2017-03-10
987 reads
Erin Stellato shows the combined effect of different versions of the cardinality estimator and trace flag 2389 on an ascending key model.
2016-08-23
3,480 reads
Starting with SQL Server 2008 a new feature which allowed us to create compressed backup files by pre-allocating space. This tip will look at the performance impacts of disabling pre-allocation of space using the 3042 SQL Server trace flag.
2015-05-19
6,584 reads
2014-12-04
1,497 reads
By Steve Jones
It’s Prime Day. A few of my recommendations, since I want to do some...
With Fabric Mirroring, Microsoft is promoting a nice and appealing story for operational reporting...
If you’ve been watching AI roll through the data community and thinking, “this seems...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item Concurrency and Baseline Control: Level...
Comments posted to this topic are about the item Spending Time in the Office
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers