David Fowler and Adrian Buckman, two database nerds who love nothing more than to spend their time, reading about, researching and sharing all things SQL Server.

David is a DBA with over 15 years production experience of SQL Server, from version 6.5 through to 2016. He has worked in a number of different settings and is currently the technical lead at one of the largest software companies in the UK.

After working in the motor trade for over 11 years Adrian decided to give it all up to persue a dream of working in I.T. Adrian has over 3 years of experience working with SQL server and loves all things SQL, Adrian currently works as a Database Administrator for one of the UK’s Largest Software Companies.

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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?

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