How to fix the Oracle error ORA-30037: Cannot perform parallel DML after a prior DML on the object?

In this post, you’ll learn more about the Oracle ErrorORA-30037: Cannot perform parallel DML after a prior DML on the object with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30037: Cannot perform parallel DML after a prior DML on the object

Reason for the Error ORA-30037: Cannot perform parallel DML after a prior DML on the object

Attempt to perform parallel DML after another DML on the same object in the same transaction.

How to fix the Error ORA-30037: Cannot perform parallel DML after a prior DML on the object ?

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

Use bitmap segments to perform multiple (parallel) DML operations on the same object. Or commit before issueing the DML