REP-00316: The types of corresponding columns must match in a compound query.
Cause: A query with a UNION, INTERSECT, or MINUS set operator was entered in which corresponding columns have different types. For example, column 1 in the first SELECT statement has data type CHAR, while column 1 in the second SELECT statement has data type NUMBER.
Action: Modify the SELECT statements so that all corresponding columns have the same data type.
Level: 1
Impact: Other