How to fix the Oracle error PLS-00598: comparison of object with NULL using “string” is not allowed?

In this post, you’ll learn more about the Oracle ErrorPLS-00598: comparison of object with NULL using “string” is not allowed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00598: comparison of object with NULL using “string” is not allowed

Reason for the Error PLS-00598: comparison of object with NULL using “string” is not allowed

An object is compared with NULL using a relational operator.

How to fix the Error PLS-00598: comparison of object with NULL using “string” is not allowed ?

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

Use IS NULL comparison operator.