December 29, 2012 at 2:43 pm
Kind of sad when the author of a published QOD can not find a Microsoft page to justify the correct answer to the question.
So here it is:
http://msdn.microsoft.com/en-us/library/ms190764(v=sql.105).aspx
December 30, 2012 at 10:02 pm
Nice and easy question Dave.
Thanks Ron for posting the correct link. I was about to do the same 🙂
~ Lokesh Vij
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December 30, 2012 at 11:48 pm
W00t, easy question to close the year 😀 :w00t:
Not really sure though why a Microsoft resource is so necessary when the question itself is about a pretty universal concept.
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December 31, 2012 at 1:00 am
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December 31, 2012 at 2:51 am
An easy one for the end of the year - thank-you!
Have a Happy & Prosperous New Year 2013!
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Nakul Vachhrajani.
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December 31, 2012 at 2:56 am
As said many times already, a nice easy one to end the year.
Thanks, and a Happy New Year to one and all, bring on 2013!
😀
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December 31, 2012 at 3:03 am
Phew! Toughest question of the year.
And a Happy New Year to you all. In the New Year, wish you the best year you've ever had.May you realize your fondest dreams and take time to recognize and enjoy, each and every blessing. 🙂
ww; Raghu
--
The first and the hardest SQL statement I have wrote- "select * from customers" - and I was happy and felt smart.
December 31, 2012 at 3:09 am
Thanks for making the last day of the year by giving an easy +1.
Happy New Year to all.
December 31, 2012 at 3:16 am
bitbucket-25253 (12/29/2012)
Kind of sad when the author of a published QOD can not find a Microsoft page to justify the correct answer to the question.So here it is:
http://msdn.microsoft.com/en-us/library/ms190764(v=sql.105).aspx
Lokesh Vij (12/30/2012)
Thanks Ron for posting the correct link. I was about to do the same 🙂
Kind of sad? And "Correct" link?
Is this right?
If the question had been about, say, database design & theory, or a question about a well established third party product (say Lightspeed or Redgate), would you have expected me to try to find a corresponding Microsoft source justification for the answer? What is the connection between the acronym RAID and Microsoft here?
December 31, 2012 at 3:35 am
andy.brown (12/31/2012)
... What is the connection between the acronym RAID and Microsoft here?
"RAID (redundant array of independent disks) levels 0, 1, and 5 are typically implemented with SQL Server."
Just the expansion of the RAID which is mentioned on the top section of the article (not that anything to be proved between RAID and MS, but author as used the link to refer the the RAID with the MSSQL server and the given link does.)
ww; Raghu
--
The first and the hardest SQL statement I have wrote- "select * from customers" - and I was happy and felt smart.
December 31, 2012 at 5:03 am
Thanks for the question. I'm not bothered that you didn't use a Microsoft link for reference - they are not the authority of everything - sometimes not even the authority if their own software.
Happy New Year!
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December 31, 2012 at 5:44 am
Thanks for simple question. RAID is applicable for other databases also. Thanks for author for providing the wiki link.
Wishing happy new YEAR TO ALL
Malleswarareddy
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December 31, 2012 at 9:31 am
Nice easy question.
Not sure I like the wikipedia link - in general, wikipedia suffers from cranks editors and edit wars so that some pages are quite awful (I see less of that now than I used to, but maybe I'm just looking at areas where fewer cranks are editing than in the areas I used to look at).
The wikipedia RAID article is much better than it used to be: for example it used to claim that RAID5 was the be-all and end-all of perfect RAID design, fully as reliable as RAID 10, ideal for all relational databases, which was just plain nonsense; I think the anti-raid-5 warnings from Dell, Hitachi, Seagate, Netapp, EMC, HDS, SUN and IBM are probably what has allowed that to be changed. But it still contains some rather odd statements, eg it says that IBM's system 38 in 1986 had an early implementation of what is now called RAID: my objection to that statement is the word "early", nothing else; RAID-like things were around much earlier: back in 1978 an IBM patent (for something very like RAID 5 - where the only new things claimed are all based on rotating the parity round the discs, instead of using a dedicated parity disc) mentioned disc duplexing (now called RAID 1) and dedicated parity disc systems (now called RAID 4) as prior art, as noted further down the same page - clearly nothing stops a wikipedia page from contradicting itself quite blatantly.
When the Berkeley team published its RAID work the R stood for Redundant so RAID0 is effectively a contradiction, since it has no redundancy. In fact most modern RAID systems wouldn't be RAID in the sense of the Berkeley team, because they don't use cheap discs (the I was Inexpensive, not Independent).
Tom
December 31, 2012 at 11:41 am
Koen Verbeeck (12/30/2012)
W00t, easy question to close the year 😀 :w00t:Not really sure though why a Microsoft resource is so necessary when the question itself is about a pretty universal concept.
Agreed.:rolleyes:
Happy New Year, y'all!
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