ORA-28348 While Encryting A Column

(Doc ID 1221463.1)

Last updated on OCTOBER 03, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: and later   [Release: 10.2 and later ]
Information in this document applies to any platform.


  • Encounters ORA-28348 while using column encryption feature of Transparent Data Encryption.
  • Encryption using NO SALT option also fails.

alter table test_tde modify (location encrypt);
alter table test_tde modify (location encrypt)
ERROR at line 1:
ORA-28348: index defined on the specified column cannot be encrypted


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