How to fix the Oracle error PLS-01455: The predicates IS NULL and IS NOT NULL are defined only for column specifications?

Posted by AbundantCode

In this post, you’ll learn more about the Oracle ErrorPLS-01455: The predicates IS NULL and IS NOT NULL are defined only for column specifications with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-01455: The predicates IS NULL and IS NOT NULL are defined only for column specifications

Reason for the Error PLS-01455: The predicates IS NULL and IS NOT NULL are defined only for column specifications

The predicates “IS NULL” and “IS NOT NULL” are defined only for column specifications, not for any other expressions. Section 5.15, ““, indicates that in the predicate “x IS NULL”, x must be a column, and may not be any other kind of expression.

How to fix the Error PLS-01455: The predicates IS NULL and IS NOT NULL are defined only for column specifications ?

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

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