Viewing 15 posts - 2,806 through 2,820 (of 8,416 total)
iqtedar (8/11/2010)
i) if MAXDOP is zero - cost threshold value doesnt matter since sql engine will push the query to all the processsors right?
No. The instance-wide MAXDOP setting sets...
August 11, 2010 at 11:41 am
Bhuvnesh (8/10/2010)
@paul-2 : thanks for this informative description. 🙂
No worries. Ignore Joe's post if you can - and keep learning! 🙂
August 11, 2010 at 11:32 am
CELKO (8/11/2010)
You really don't understand SQL yet and you keep posting the wrong kind of questions. Please get a basic RDBMS book read it until you have an epiphany.
Sorry....
August 11, 2010 at 11:31 am
The 'cost threshold for parallelism' setting applies to the whole SQL Server instance.
The query optimiser will only consider looking for parallel plan alternatives if the best serial plan it finds...
August 10, 2010 at 11:09 pm
jvanderberg (7/22/2010)
August 10, 2010 at 8:50 pm
jcrawf02 (7/23/2010)
August 10, 2010 at 8:41 pm
That concatenation trick is only supported for backward-compatibility reasons.
It was never a good practice, and it remains slow and error-prone as you have discovered.
There is also no guarantee that it...
August 10, 2010 at 3:44 pm
dma-669038 (8/10/2010)
August 10, 2010 at 3:32 pm
Hey Bhuvnesh,
My advice, generally, would be to omit the ORDER BY clause completely. The main reasons to include it are (a) to enforce the order of IDENTITY assignment in...
August 10, 2010 at 3:26 pm
Brandie Tarvin (8/9/2010)
Is it wrong to cry when someone tells me they don't know what Bulk-Logged is?
Probably not. My experience is that most DBAs, even if they have heard...
August 9, 2010 at 12:29 pm
Lynn Pettis (8/6/2010)
I love Smarties, 'cause I am one! 😛
You bought Joe Celko's book?
August 6, 2010 at 10:23 am
Chad Crawford (8/5/2010)
Made me think of the MIDDLE JOIN question that showed up in the QOD once
Yes I remember that one (without looking it up). Very sneaky and...
August 5, 2010 at 9:30 pm
Jack Corbett (8/5/2010)
Paul White NZ (8/5/2010)
I feel a blog entry coming on...
I was just thinking the same thing. I haven't had a truly technical post in a quite...
August 5, 2010 at 10:57 am
Chris Morris-439714 (8/5/2010)
BUSHY PLANS!! Thank you, Paul. Time to give that another read.
:laugh: :laugh: :laugh: :laugh: :laugh:
Isn't associative memory wonderful?
Stick or branch join...bushy plans...funny!
Paul
August 5, 2010 at 10:28 am
Chris Morris-439714 (8/5/2010)
August 5, 2010 at 10:14 am
Viewing 15 posts - 2,806 through 2,820 (of 8,416 total)