How to fix the Oracle error ORA-28358: improper set key syntax?

In this post, you’ll learn more about the Oracle ErrorORA-28358: improper set key syntax with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28358: improper set key syntax

Reason for the Error ORA-28358: improper set key syntax

The command to set the master key contained improper spelling or syntax.

How to fix the Error ORA-28358: improper set key syntax ?

You can fix this error in Oracle by following the below steps

If attempting to set the master key for Transparent Database Encryption, verify the spelling and syntax and execute the command again.