How to fix the Oracle error PGU-00311: data exceeds internal buffer size?

In this post, you’ll learn more about the Oracle ErrorPGU-00311: data exceeds internal buffer size with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGU-00311: data exceeds internal buffer size

Reason for the Error PGU-00311: data exceeds internal buffer size

Cause: The results returned by a SQL query exceed the internal PGAU buffer.

How to fix the Error PGU-00311: data exceeds internal buffer size ?

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

Action: Use the SET command to increase MAXDATA or decrease ARRAYSIZE.