Transparent Data Encryption (TDE) enables you to encrypt sensitive data that you store in tables and tablespaces.
After the data is encrypted, this data is transparently decrypted for authorized users or applications when they access this data. TDE helps protect data stored on media (also called data at rest) in the event that the storage media or data file is stolen.
In this guide I will show you how to implemente Oracle TDE on RAC, but you should be able to modify the procedure for a standalone database.
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