"ORA-04020: Deadlock Detected" While Trying To Encrypt a Column Using TDE

(Doc ID 1328770.1)

Last updated on APRIL 09, 2018

Applies to:

Advanced Networking Option - Version and later
Information in this document applies to any platform.


When attempting to encrypt a column using Transparent Data Encryption (TDE), the following error occurs.

ORA-04020: deadlock detected while trying to lock object SCOTT.TOP_SECRET

The issue can be reproduced at will with the following steps:



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