How to fix the Oracle error XOQ-02006: invalid reference to table “string” in mapping “string”?

In this post, you’ll learn more about the Oracle ErrorXOQ-02006: invalid reference to table “string” in mapping “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-02006: invalid reference to table “string” in mapping “string”

Reason for the Error XOQ-02006: invalid reference to table “string” in mapping “string”

Cause: An expression in a mapping object referred to a table that is not part of the mapping query.

How to fix the Error XOQ-02006: invalid reference to table “string” in mapping “string” ?

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

Action: Make sure that all expressions in the mapping object refer only to columns from the mapping query.