Database Weekly

SQLServerCentral Editorial

The New Year: A Chance to Start Over

  • Editorial

January 1st is the beginning of a new year thanks to Julius Caesar and Pope Gregory XIII. This date is somewhat arbitrary, and many religions and cultures celebrate their own beginning of a new year at different times. Even though these celebrations don’t fall at the same time, I think the sentiment is similar. The […]

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2019-12-28

121 reads

SQLServerCentral Editorial

How SQL Server Can Just Go Faster

  • Editorial

It’s rare to get a call from a customer telling you that the application is fast today and thanks for taking such good care of the database. Instead, you are more likely to hear complaints when things go wrong like slow running queries and timeouts. There is a lot to consider when trying to figure […]

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2019-11-30

585 reads

SQLServerCentral Editorial

A Faster tempdb

  • Editorial

I like to call tempdb the “workhorse” of SQL Server. I’ve heard some other people call it other terms that were not so flattering, but since I like to keep things positive, I’ll stick with workhorse. SQL Server uses tempdb for many things. The obvious uses are temp tables and table variables, but tempdb is […]

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2019-11-02

1,144 reads

SQLServerCentral Editorial

Which Service in Azure Should You Use for SQL?

  • Editorial

I remember when Azure SQL Database was first released in 2010. Microsoft has tweaked the name a couple of times over the years, and back then it was called SQL Azure. The largest database you could create was just 50 GB, and there were quite a few restrictions, such as heaps not being supported. Since […]

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2019-10-05

454 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