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Copy file name to clipboardExpand all lines: SQL Server Trace Flag.md
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@@ -12,29 +12,30 @@ Headers:
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-[Trace flags list](#trace-flags-list)
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Source links:
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-[A Topical Collection of SQL Server Flags](https://sqlcrossjoin.wordpress.com/2013/10/28/a-topical-collection-of-sql-server-flags/) (by Aaron Morelli)
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-[Steinar Andersen great post](http://www.sqlservice.se/updated-microsoft-sql-server-trace-flag-list/)
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-[Yusuf Anis trace flag table](http://www.sqlservercentral.com/articles/trace+flags/70131/)
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-[MSDN ms188396]
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-[Albert van der Sel TF list](http://antapex.org/traceflags_sqlserver.txt)
-[Paul Randal discussing TF Pro’s and Con’s](http://www.sqlskills.com/blogs/paul/the-pros-and-cons-of-trace-flags/)
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-[A Topical Collection of SQL Server Flags](https://sqlcrossjoin.wordpress.com/2013/10/28/a-topical-collection-of-sql-server-flags/)
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-**When specifying a trace flag with the -T option, use an uppercase "T" to pass the trace flag number.
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A lowercase "t" is accepted by SQL Server, but this sets other internal trace flags that are required only by SQL Server support engineers.
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(Parameters specified in the Control Panel startup window are not read.)**: https://technet.microsoft.com/en-us/en-en/library/ms190737%28v=sql.120%29.aspx
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-[Enabling SQL Server Trace Flag for a Poor Performing Query Using QUERYTRACEON](https://www.mssqltips.com/sqlservertip/3320/enabling-sql-server-trace-flag-for-a-poor-performing-query-using-querytraceon/)
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-[Disabling SQL Server Optimizer Rules with QUERYRULEOFF](https://www.mssqltips.com/sqlservertip/4175/disabling-sql-server-optimizer-rules-with-queryruleoff/)
- Robert L Davis ([b](http://www.sqlsoldier.com/wp/)|[t](https://twitter.com/SQLSoldier))
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- sql_handle aka @sql_handle
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- Andrzej Kukuła
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@@ -3079,7 +3080,7 @@ Link: [What You Need to Know about the Batch Mode Window Aggregate Operator in S
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**Trace Flag: 9471**<br />
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Function: Causes SQL Server to generate a plan using minimum selectivity for single-table filters, under the query optimizer cardinality estimation model of SQL Server 2014 through SQL Server 2016 versions.
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Beginning with SQL Server 2016 SP1, to accomplish this at the query level, add the USE HINT query hint instead of using this trace flag.
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Beginning with SQL Server 2016 SP1, to accomplish this at the query level, add the USE HINT query hint instead of using this trace flag.<br />
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**Note: Please ensure that you thoroughly test this option, before rolling it into a production environment.**<br />
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Link: [New Features in SQL Server 2016 Service Pack 1]<br />
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