Press Release


Technical Article

SQL Monitor Custom Metric: Memory Used By Ad Hoc Queries Running Once

This metric measures the amount of memory used by the total number of ad-hoc queries that are currently in the plan cache. If the value is high, it indicates memory is being wasted by storing the execution plans of queries that will never be run more than one time.

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2015-06-25

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Technical Article

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Each year SQLServerCentral runs a survey to get some insight into what who our readers are, what they like about the site, and what can be improved. Please take a few minutes to complete this survey by June 12 and get the opportunity to win one of three $50 Amazon vouchers.

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2015-06-02 (first published: )

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External Article

Database Continuous Integration Workshop - London, UK

Join this workshop on July 8, 2015 to learn how to: link your source control repository to a build system, trigger database builds automatically when you make a change, use DLM tools to test your database changes, and lay the foundations for package-based deployment of your database. Register while space is available.

2015-05-22

6,320 reads

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Question of the Day

Estimated Rows

I have two calls to the GENERATE_SERIES TVF in this code:

SELECT   TOP 10 gs.value
FROM     GENERATE_SERIES(1, 10) AS gs
ORDER BY NEWID ()
OPTION (RECOMPILE);
go
DECLARE @a int = 10;
SELECT   TOP (@a) gs.value
FROM     GENERATE_SERIES(1, @a) AS gs
ORDER BY NEWID ()
OPTION (RECOMPILE);
In the actual query plans, what is the estimated number of rows for each batch in SQL Server 2022?

See possible answers