How to fix the Oracle error ORA-25156: old style outer join (+) cannot be used with ANSI joins?

In this post, you’ll learn more about the Oracle ErrorORA-25156: old style outer join (+) cannot be used with ANSI joins with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25156: old style outer join (+) cannot be used with ANSI joins

Reason for the Error ORA-25156: old style outer join (+) cannot be used with ANSI joins

When a query block uses ANSI style joins, the old notation for specifying outer joins (+) cannot be used.

How to fix the Error ORA-25156: old style outer join (+) cannot be used with ANSI joins ?

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

Use ANSI style for specifying outer joins also.