How to fix the Oracle error ORA-37418: detail query cannot be derived?

In this post, you’ll learn more about the Oracle ErrorORA-37418: detail query cannot be derived with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-37418: detail query cannot be derived

Reason for the Error ORA-37418: detail query cannot be derived

If an ORANIZATION CUBE MV is to automatically derive its loading clause, then its definition query cannot contain set operators (eg UNION ALL), a HAVING clause, START WITH or a SQL MODEL clause. The definition query contains these or other unsupported syntax.

How to fix the Error ORA-37418: detail query cannot be derived ?

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

Use an explicit ORGANIZATION CUBE clause, or simplify the defining query.