September 2010
Intermediate to advanced
1704 pages
111h 8m
English
book
Microsoft® SQL Server 2008 R2 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2008 R2 Unleashed
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New Security Features
SQL Server 2005 provided the capability to encrypt data at the column level. However, this encryption was not transparent to the end users or applications. Encrypting and decrypting the data required coding changes to use the built-in encryption and decryption functions. SQL Server 2008 introduces transparent data encryption (TDE), which allows for encrypting the entire database without affecting client applications. The purpose of TDE is to protect sensitive data in the event a database file or backup is stolen. Encryption is done in real-time at the page level as the data is written to disk and decrypted as the data is read from disk. The encryption is based on a database encryption key (DEK), which is a symmetric key ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.