Count(*) or Count(1) ?
Every so often on the on-line forums, the question of : Which is better Count(*) or Count(1) ? will occur. So can...
2010-07-27
1,465 reads
Every so often on the on-line forums, the question of : Which is better Count(*) or Count(1) ? will occur. So can...
2010-07-27
1,465 reads
For those that may of missed it, voting for SQLBits sessions is now open. Make your voice heard and get...
2010-07-20
397 reads
I am somewhat uncomfortable blogging this, as I feel that it falls into “Polish a turd” category. Having said that,...
2010-07-02
715 reads
One of my back burner projects is to setup a local user group.
I'm delighted to now say that this is...
2010-06-28
397 reads
It’s as simple as that. If you don’t specify ORDER BY, then the order of your result set is not...
2010-06-26
712 reads
Ever been curious about the schema of , say an SSRS rdl file ? How about the execution plan ?
Not only should...
2010-06-15
491 reads
I have received a number of requests for an explanation of my winning query of TSQL Challenge 19. This involved...
2010-05-27
1,701 reads
One of my personal pet issues is with inappropriate use of the NOLOCK hint (and read uncommitted) . Don't get me...
2010-04-23
744 reads
Cross apply (and outer apply) are a very welcome addition to the TSQL language. However, today after a few hours...
2010-03-26
1,917 reads
It is widely know that data modifications on table variables do not support parallelism, Peter Larsson has a good example...
2010-03-04
555 reads
By Chris Yates
There was a time when the Chief Data Officer lived in the shadows of...
By Rayis Imayev
"But I don’t want to go among mad people," Alice remarked."Oh, you can’t help...
By Steve Jones
I saw some good reviews of the small gemma3 model in a few places...
Comments posted to this topic are about the item Create an HTML Report on...
Comments posted to this topic are about the item We Should Demand Better
Comments posted to this topic are about the item 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