How to fix the Oracle error ORA-02324: more than one column in the SELECT list of THE subquery?

In this post, you’ll learn more about the Oracle ErrorORA-02324: more than one column in the SELECT list of THE subquery with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02324: more than one column in the SELECT list of THE subquery

Reason for the Error ORA-02324: more than one column in the SELECT list of THE subquery

More than one column was selected in the THE subquery.

How to fix the Error ORA-02324: more than one column in the SELECT list of THE subquery ?

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

Specify only one column in the SELECT list of the THE subquery and retry the operation.