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Transparent database encryption


Transparent database encryption

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SQLRNNR
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Nice question Gail. Can you give us something harder? ;-)



Jason AKA CirqueDeSQLeil
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Posting Performance Based Questions - Gail Shaw

GilaMonster
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SQLRNNR (7/5/2011)
Nice question Gail. Can you give us something harder? ;-)


I could, but then people would complain.

Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Trey Staker
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Dang, I clicked too fast without thinking it through and got it wrong. Great Question though, thanks!

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Britt Cluff
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Lot of TDE questions lately. Is anyone using this feature?

http://brittcluff.blogspot.com/
SQLRNNR
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SQLRNNR (7/5/2011)
Nice question Gail. Can you give us something harder? ;-)


Can't win them all...

I think some trivia from Holy Grail would be good to toss in from time to time.



Jason AKA CirqueDeSQLeil
I have given a name to my pain...
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Posting Performance Based Questions - Gail Shaw

GilaMonster
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SQLRNNR (7/5/2011)
SQLRNNR (7/5/2011)
Nice question Gail. Can you give us something harder? ;-)


Can't win them all...


If you want... I have a log internals question that I can submit. The chance of anyone getting it right except by guessing however is minimal...

Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
We stand on the bridge and no one may pass


SQLRNNR
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GilaMonster (7/5/2011)
SQLRNNR (7/5/2011)
SQLRNNR (7/5/2011)
Nice question Gail. Can you give us something harder? ;-)


Can't win them all...


If you want... I have a log internals question that I can submit. The chance of anyone getting it right except by guessing however is minimal...


<devil advocate> Awesome </devil>

Even if I do miss it. I would learn something. Heck, I wouldn't even have a problem admitting that I missed it ;-)



Jason AKA CirqueDeSQLeil
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GilaMonster
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Ok. I'll write it up (carefully). You're warned...

Not really useful information for most people. Internals stuff.

Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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SQLRNNR
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GilaMonster (7/5/2011)
Ok. I'll write it up (carefully). You're warned...

Not really useful information for most people. Internals stuff.


Want me to review it for you??¿:-D



Jason AKA CirqueDeSQLeil
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Thomas Abraham
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ako58 (7/5/2011)
ms-help://MS.SQLCC.v10/MS.SQLSVR.v10.en/s10de_4deptrbl/html/c75d0d4b-4008-4e71-9a9d-cee2a566bd3b.htm

The pages in an encrypted database are encrypted before they are written to disk and decrypted when read into memory


Yep, thought that was the answer too.

Question asked:

"If you enable transparent database encryption in your database, when is THE PAGE encrypted?" (Emphasis added)

So, lead me to believe the question was referring to a dirty page, as opposed to the intent of the reference cited for the correct answer:

"The server starts a background thread (called the encryption scan or scan) that scans all database files and encrypts them (or decrypts them if you are disabling TDE). "

Imagine the difference in the number of wrong answers if the question was more in line with the reference used:

"If you enable transparent database encryption in your database, when is THE DATABASE encrypted?" (Emphasis added)

While I appreciate the poster's efforts, I can't applaud this as a great question.

Here's a thought, how about a small (10 or less) person question review panel to spot problems with questions BEFORE they are posted. That would be a check on the ever-present problem with these questions?

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