How to fix the Oracle error ORA-03230: segment only contains string blocks of unused space above high water mark?

In this post, you’ll learn more about the Oracle ErrorORA-03230: segment only contains string blocks of unused space above high water mark with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-03230: segment only contains string blocks of unused space above high water mark

Reason for the Error ORA-03230: segment only contains string blocks of unused space above high water mark

Attempt to preserve too many blocks.

How to fix the Error ORA-03230: segment only contains string blocks of unused space above high water mark ?

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

reduce the KEEP amount.