How to resolve ORA-01468 Error Message in Oracle database

Learn the reason and how to get to the bottom of the ORA-01468 error message in Oracle.

Description

When you encounter an ORA-01468 error, the following error message will appear:

ORA-01468: a predicate might also reference solely one outer-joined desk

Cause

You tried to execute a SQL assertion that joins two tables and both tables had been outer joined. When becoming a member of two tables, only one of the tables can be outer joined.

Resolution

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

Option #1

Rewrite your SQL so that only one of the tables is an outer be part of table.

For example, if you had tried to execute the following SQL statement:

SELECT *
FROM suppliers, orders
WHERE suppliers.supplier_id(+) = orders.supplier_id(+);

You would receive the following error message:

You should right this by using SQL announcement with both syntax:

Syntax #1:

SELECT *
FROM suppliers, orders
WHERE suppliers.supplier_id(+) = orders.supplier_id;

OR

Syntax #2:

SELECT *
FROM suppliers, orders
WHERE suppliers.supplier_id = orders.supplier_id(+);

Learn more about Oracle Joins.