How to fix the Oracle error ORA-29508: query derived from USING clause did not select a value of type string?

In this post, you’ll learn more about the Oracle ErrorORA-29508: query derived from USING clause did not select a value of type string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29508: query derived from USING clause did not select a value of type string

Reason for the Error ORA-29508: query derived from USING clause did not select a value of type string

The USING clause did not form a query that selects a value of the type specified by the term following the USING keyword.

How to fix the Error ORA-29508: query derived from USING clause did not select a value of type string ?

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

Correct the USING clause.