Oracle / PLSQL: ORA-01436 Error Message

Learn the cause and how to resolve the ORA-01436 error message in Oracle.

Description

When you encounter an ORA-01436 error, the following error message will appear:

• ORA-01436: CONNECT BY loop in user data

Cause

An infinite loop was created by the condition specified in the CONNECT BY clause.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

This error occurs when the condition in the CONNECT BY clause selects the next record that is a descendent of itself. This creates a circular reference or infinite loop.

Correct the CONNECT BY clause to remove the circular reference.