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Wednesday 24 May 2017

Oracle: ORA-01437 Error Message

ORA-01437 Error Message

Learn the cause and how to resolve the ORA-01437 error message in Oracle.

Description

When you encounter an ORA-01437 error, the following error message will appear:
  • ORA-01437: cannot have join with CONNECT BY

Cause

You tried to use a CONNECT BY clause while joining more than one table in the SELECT statement. If you use a CONNECT BY clause, you can only query one table.

Resolution

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

Option #1

Remove either the join or the CONNECT BY clause from your SELECT statement.

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