How to fix the Oracle error ORA-19036: Invalid query result set in newContextFromHierarchy()?

In this post, you’ll learn more about the Oracle ErrorORA-19036: Invalid query result set in newContextFromHierarchy() with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19036: Invalid query result set in newContextFromHierarchy()

Reason for the Error ORA-19036: Invalid query result set in newContextFromHierarchy()

The result set of the query used in the newContextFromHierarchy() does not have the same property as the result set generated by a CONNECT BY query.

How to fix the Error ORA-19036: Invalid query result set in newContextFromHierarchy() ?

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

Make sure the query used in newContextFromHierarchy() is a CONNECT BY query or the query returns the result set have the same property as the result set generated by a CONNECT BY query.