How To Encrypt/Rekey a Table for TDE and Avoid the Associated Performance Problems and Locks?

(Doc ID 848298.1)

Last updated on NOVEMBER 21, 2017

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Information in this document applies to any platform.
Checked for relevance on 19-Apr-2013


The solution in this note should apply to the following situations:

#1. encrypt a non encrypted table for TDE.
#2. rekey or change the encryption algorithm for an already encrypted table.
#3. migrate an encrypted table from column mode to tablespace mode.


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