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
2,467 reads
trace flags
2024-05-13
593 reads
2021-08-30
413 reads
SQL Server 2012 does not come up after service pack upgrade SP4
A failed SQL Server Service Pack upgrade is fixed with a trace flag.
2020-07-27
5,750 reads
2019-12-26
508 reads
Properly Persisted Computed Columns
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
983 reads
Trace Flag 2389 and the new Cardinality Estimator
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
Testing SQL Server Backup Performance with Trace Flag 3042
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
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Question of the Day
String Similarity II
What is the range for the result from the EDIT_DISTANCE_SIMILARITY() function in SQL Server 2025?
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