2021-08-30
392 reads
trace flags
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
5,099 reads
2019-12-26
484 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
967 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
1,486 reads
Next-Level Parallel Plan Forcing: An Alternative to 8649
The trace flag 8649 is incredibly useful. Alas, the flag is undocumented, unknown, and its full impact difficult to understand. Adam Machanic presents an alternative which you might find useful.
2013-12-23
2,190 reads
2011-09-15
1,940 reads
Blogs
Friday Flyway Tips–Comparison Options
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Recently a customer asked how they could get index changes to be captured in...
A New Word: Guiltwrights
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giltwrights – n. the imaginary committee of elders that keeps a running log of...
Becoming Kristyna Ferris <3
By DataOnWheels
Hey folks, fun personal post today. A few weeks ago, I got married! My...
Forums
JSON data with Pivoted
Hi All, I need some assistance and not sure how to achieve the expected...
SQL Window Functions Series: LAG() and LEAD()
Comments posted to this topic are about the item SQL Window Functions Series: LAG()...
Breaking Biometrics
Comments posted to this topic are about the item Breaking Biometrics
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