How to fix the Oracle error ORA-48421: Predicate string in the command must be single or double quoted?

In this post, you’ll learn more about the Oracle ErrorORA-48421: Predicate string in the command must be single or double quoted with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-48421: Predicate string in the command must be single or double quoted

Reason for the Error ORA-48421: Predicate string in the command must be single or double quoted

The predicate string is not single or double quoted

How to fix the Error ORA-48421: Predicate string in the command must be single or double quoted ?

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

Put single or double quotes around the predicate string