How to fix the Oracle error DIA-48221: Key Exceeds Maximum Allowed Length [string] [string] [string]?

In this post, you’ll learn more about the Oracle ErrorDIA-48221: Key Exceeds Maximum Allowed Length [string] [string] [string] with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DIA-48221: Key Exceeds Maximum Allowed Length [string] [string] [string]

Reason for the Error DIA-48221: Key Exceeds Maximum Allowed Length [string] [string] [string]

The sum of the lengths of the fields in the key exceeds the maximum length supported.

How to fix the Error DIA-48221: Key Exceeds Maximum Allowed Length [string] [string] [string] ?

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

Remove one or more fields from the key.