How to fix the Oracle error DRG-10503: table string cannot be indexed because it has no primary key?

In this post, you’ll learn more about the Oracle ErrorDRG-10503: table string cannot be indexed because it has no primary key with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-10503: table string cannot be indexed because it has no primary key

Reason for the Error DRG-10503: table string cannot be indexed because it has no primary key

Cause: a textkey needs to be a single column unique key whose length does not exceed 64 bytes. no such key was defined as an unique index or declared as a primary or unique key constraint

How to fix the Error DRG-10503: table string cannot be indexed because it has no primary key ?

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

Action: create a suitable textkey for the table or specify it explicitly in this procedure call