Viewing 15 posts - 1,291 through 1,305 (of 59,065 total)
Same indexes on both?
Same MAXDOP on both?
Same Cost Threshold For Parallelism?
Same hardware?
There's a shedload of things that could be causing the 2019 code to be running slower and the list...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 17, 2023 at 4:15 pm
Well, since few days I was searching about SQL courses to become pro on this. One of my friend suggest me some guide to become pro on this and...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 11:13 pm
My most valuable lesson in the area of resumes and touting accomplishments came from a meeting with the president and co-owner of the company I worked for in 1974. ...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 8:54 pm
Yes, we both should have noticed that, but our methods are more general in that they will return the entire row that contains the max date even if some...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 7:10 pm
I just realized that both Jonathans and Jeffs queries used all 8 cores and mine just used 1 core. So here is the same query with parallell plan
As you...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 7:06 pm
What's more interesting than any of that is how we missed the forest for the trees. 🙁 The MAX solution that Peter provided is all that's needed here. [headdesk].
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 3:02 pm
I agree with Jeff 100%. Performance is paramount, assuming the foundation is sound. Bot fast and safe at the same time is an ultimate goal, but at the same...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 16, 2023 at 2:56 pm
We are not designing databases for speed, we are doing it to ensure data integrity. What is the use for data retrieved quickly if it is inaccurate or could...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 14, 2023 at 3:32 pm
I've got a (8 years old) Dell XPS 8700 desktop with a i7-4790 and 28GB RAM, and a SanDisk Ultra II 960GB SSD with the tempdb on an even...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 14, 2023 at 2:54 pm
Wow! Those times are about twice as fast as what I'm getting. What kind of machine are you working on?
I'm on an Alienware R17 (about 4 years old now) with...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 14, 2023 at 1:41 am
Just to add my 2 cents 2 late, for the given test data, the WHERE EXISTS code does 18 page reads. The following does 1.
WITH cteDupeCheck AS
(
...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 14, 2023 at 12:39 am
Which cardinality estimator has been set for the two databases? Also, have you check to make sure things like MaxDop and Cost Threshold For Parallelism and other settings are identical?
--Jeff Moden
Change is inevitable... Change for the better is not.
July 13, 2023 at 11:23 pm
Creating an SSIS package using Java can be a complex process, as SSIS is primarily designed to work with Microsoft's .NET Framework. However, it is possible to create SSIS...
--Jeff Moden
Change is inevitable... Change for the better is not.
July 12, 2023 at 9:13 pm
Improving database design can have a significant impact on the speed of SQL queries. Here are some tips to optimize your database design and enhance query performance:
--Jeff Moden
Change is inevitable... Change for the better is not.
July 12, 2023 at 9:10 pm
Improving database design can have a significant impact on the speed of SQL queries. Here are some tips to optimize your database design and enhance query performance:
--Jeff Moden
Change is inevitable... Change for the better is not.
July 12, 2023 at 9:07 pm
Viewing 15 posts - 1,291 through 1,305 (of 59,065 total)