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Discuss Content Posted by Peter He
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CTE Performance
35 posts, Page 4 of 4
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CTE Performance
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RBarryYoung
RBarryYoung
Posted Tuesday, December 30, 2008 3:34 PM
SSCrazy Eights
Group: General Forum Members
Last Login: Saturday, May 04, 2013 11:13 AM
Points: 9,855,
Visits: 9,374
Ah. OK....
So at 700 levels and say 10 million nodes, that would mean that each node had an average of 1.023 children? Wow, that's a pretty strung-out hierarchy.
-- RBarryYoung
,
(302)375-0451
blog:
MovingSQL.com
, Twitter:
@RBarryYoung
Proactive
Performance Solutions, Inc.
"Performance is our middle name."
Post #627710
SQLRNNR
SQLRNNR
Posted Tuesday, December 30, 2008 4:15 PM
SSCoach
Group: General Forum Members
Last Login: Thursday, May 16, 2013 1:46 PM
Points: 18,732,
Visits: 12,329
some are worse than others as far as strung out. Most of it depends on the business model employed. I have seen one tree strung out to about 1200 levels but with only 500k nodes.
Jason
AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server 2008
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Posting Data Etiquette - Jeff Moden
Hidden RBAR - Jeff Moden
VLFs and the Tran Log - Kimberly Tripp
Post #627728
Jeff Moden
Jeff Moden
Posted Tuesday, December 30, 2008 5:28 PM
SSC-Dedicated
Group: General Forum Members
Last Login: Today @ 12:30 PM
Points: 32,893,
Visits: 26,770
jason brimhall (12/30/2008)
Binary Trees in the MLM industry.
Heh... I thought binaries were illegal in the U.S. I thought uni-level was the only legal method for an MLM.
--Jeff Moden
"
RBAR
is pronounced "ree-bar" and is a "Modenism" for "
R
ow-
B
y-
A
gonizing-
R
ow".
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column."
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #627741
SQLRNNR
SQLRNNR
Posted Wednesday, December 31, 2008 8:02 AM
SSCoach
Group: General Forum Members
Last Login: Thursday, May 16, 2013 1:46 PM
Points: 18,732,
Visits: 12,329
Pyramid schemes are illegal - and matrix, unilevel and binary trees could all be a pyramid scheme. The Fed monitors MLMs closely and makes sure they are in compliance with the law. MLMs and Pyramid schemes are not that much different - just one is legal and the other isn't.
Jason
AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server 2008
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Posting Data Etiquette - Jeff Moden
Hidden RBAR - Jeff Moden
VLFs and the Tran Log - Kimberly Tripp
Post #628085
Jeff Moden
Jeff Moden
Posted Wednesday, December 31, 2008 9:23 AM
SSC-Dedicated
Group: General Forum Members
Last Login: Today @ 12:30 PM
Points: 32,893,
Visits: 26,770
Yep... agreed. And the difference between a pyramid scheme and a legal MLM is a legal MLM actually sells product or tangible services.
--Jeff Moden
"
RBAR
is pronounced "ree-bar" and is a "Modenism" for "
R
ow-
B
y-
A
gonizing-
R
ow".
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column."
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #628146
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