How to fix the Oracle error PCB-00636: This attribute is only valid for External LOB types?

In this post, you’ll learn more about the Oracle ErrorPCB-00636: This attribute is only valid for External LOB types with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCB-00636: This attribute is only valid for External LOB types

Reason for the Error PCB-00636: This attribute is only valid for External LOB types

Cause: A request for a LOB attribute was made in a LOB DESCRIBE statement in which the given LOB was not an External LOB type (BFILE).

How to fix the Error PCB-00636: This attribute is only valid for External LOB types ?

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

Action: Use an External LOB (BFILE) host variable in the LOB DESCRIBE statement.