How to fix the Oracle error ORA-28556: authorization insufficient to access table?

In this post, you’ll learn more about the Oracle ErrorORA-28556: authorization insufficient to access table with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28556: authorization insufficient to access table

Reason for the Error ORA-28556: authorization insufficient to access table

A query attempted to access a table in the non-Oracle system that is either privileged or has privileged columns.

How to fix the Error ORA-28556: authorization insufficient to access table ?

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

Contact the DBA for the non-Oracle system. The DBA can grant permission to access the privileged table or columns.