Oracle Error Codes

All Oracle Database Error Codes

Oracle database error code ORA-30365 – left relation in the JOIN KEY clause cannot be same as right

Oracle Database Error Code ORA-30365 Description :

left relation in the JOIN KEY clause cannot be same as right

Error Cause:

The relation of the child columns on the left side of the JOIN KEY clause was the same as that of the parent level on the right side.

How to Solve :

Remove the JOIN KEY clause. It is not required or allowed when the child and the parent are in the same relation.