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Transparent database encryption


Transparent database encryption

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GilaMonster
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Comments posted to this topic are about the item Transparent database encryption

Gail Shaw
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M&M
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Thank you Gail, this was tough. Not like last week's question :-).

M&M
ako58
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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
DugyC
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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


That's right, for new writes, but when encryption is set the entire database is encrypted immediately using an asynchronous background thread.

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paul s-306273
paul s-306273
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I'd have thought you can just reason this through to get to the correct answer.

Nice question Gail.
DugyC
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Great question. For me, I couldn't decide between the background task running after the ALTER DATABASE command completed or immediately, before the ALTER DATABASE completed, as the background thread is asynchronous and I wasn't sure if the ALTER DATABASE had other work to do after it kicked the thread off.

Fortunately, I chose correctly :-)

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GilaMonster
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mohammed moinudheen (7/4/2011)
Thank you Gail, this was tough. Not like last week's question :-).


See, that was just a warmup. :-)

Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
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rfr.ferrari
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very good, question!!!!

thanks Gail!!!!


rfr.ferrari
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Kiara
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Nice question - thanks!

-Ki
sburcombe
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Good question!

Simone
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