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PASS turns 20

  • DatabaseWeekly

Its really hard to believe that its been 20 years since the start of the PASS organization – the volunteer run database education group that I am proud to be associated with. My association runs to 18 of those 20 years, and 16 of those have been with...

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2019-03-30

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Estimated Rows

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Estimated Rows

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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?

See possible answers