How to fix the Oracle error ORA-32037: unsupported use of LEVEL in membership condition?

In this post, you’ll learn more about the Oracle ErrorORA-32037: unsupported use of LEVEL in membership condition with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32037: unsupported use of LEVEL in membership condition

Reason for the Error ORA-32037: unsupported use of LEVEL in membership condition

An attempt was made to use LEVEL in membership condition with subquery that is not supported.

How to fix the Error ORA-32037: unsupported use of LEVEL in membership condition ?

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

Rewrite query to avoid using LEVEL in membership condition