Viewing 15 posts - 2,746 through 2,760 (of 5,843 total)
1) 5 is universally a bad number for cost threshold for parallelism. You get WAY too many parallel queries, especially in OLTP scenarios.
2) MAXDOP on the server should almost...
December 19, 2012 at 4:25 am
Jeff Moden (12/18/2012)
mpradeep23 (12/14/2012)
Is thier any other tools before creation of the tables logical diagramHeh... cocktail napkins and beer coasters!
HAH!! Yep - that is about all I use for "logical"...
December 19, 2012 at 4:21 am
My statement about making "queries" faster is about the ENTIRE process. The act of populating a temp table with an index already on the temp table before data is...
December 16, 2012 at 12:21 pm
I can count on 1 hand the number of times in 15+ years of SQL Server consulting that I have come across client actions involving temp tables where an index...
December 15, 2012 at 4:19 pm
I will make 1 "improvement" to Gail's recommendation on MAXDOP. Check your hardware, and if it is NUMA (almost all modern servers are) then set the SQL Server MAXDOP...
December 14, 2012 at 7:32 am
WHERE [DateTime] < DATEADD(hour, 48, @MaxBuffer), or something similar to that. Could be >, didn't dig too deeply into it.
December 12, 2012 at 8:15 pm
Luk, you have been going at this problem for over 10 days now. Give me or another good professional 15 minutes on your system and you will have a...
December 12, 2012 at 6:54 am
dmoldovan (12/11/2012)
December 12, 2012 at 6:46 am
I wonder if the plan is EXACTLY the same between the parallel and non-parallel executions. I would imagine that one is doing an index seek and bookmark lookup for...
December 12, 2012 at 6:30 am
Guras (12/11/2012)
December 11, 2012 at 9:08 am
Here is a 3-part blog post about deadlocking from Bart Duncan: http://blogs.msdn.com/b/bartd/archive/2006/09/09/deadlock-troubleshooting_2c00_-part-1.aspx
December 11, 2012 at 6:52 am
GSquared (12/10/2012)
Like this:
WHERE (@finclass = 1 AND p.finclass = @FinclassCategory OR @finclass != 1)AND P.HOSPITAL = @HOSPITAL
This is going to get you a BAD cached plan. No matter which...
December 11, 2012 at 6:49 am
Dr. David DeWitt is the one person that I would never miss as a keynote speaker.
December 7, 2012 at 5:24 am
This can be found in BOL:
1) IF UPDATE(b) OR UPDATE(c) ...
2) IF ( COLUMNS_UPDATED() & 2 = 2 )
December 6, 2012 at 6:50 am
This type of performance tuning and analytics is what I (and a few others here on the forums) do for a living. There are a WIDE range of potential...
December 6, 2012 at 6:49 am
Viewing 15 posts - 2,746 through 2,760 (of 5,843 total)