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Oracle Database 11g The Complete Reference by Kevin Loney

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CHAPTER 21Advanced Security: Transparent Data Encryption

Oracle offers many advanced security features. Although some of them (such as VPD) require modifications of database tables and triggers, others can be implemented without changing any application code. This chapter introduces two of the advanced security features: encryption of columns and encryption of tablespaces.

Transparent Data Encryption of Columns

As discussed in earlier chapters, Oracle offers a number of mechanisms for securing the data within a database. You can use Transparent Data Encryption (TDE) to further ensure the integrity of your data. TDE encrypts the data in the datafiles, undo logs, redo logs, and the buffer cache of the system global area (SGA) in memory. You can ...

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