How to fix the Oracle error ORA-40119: nested columns incompatible with missing value treatment?

In this post, you’ll learn more about the Oracle ErrorORA-40119: nested columns incompatible with missing value treatment with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-40119: nested columns incompatible with missing value treatment

Reason for the Error ORA-40119: nested columns incompatible with missing value treatment

delete_row missing value treatment is not supported for nested columns.

How to fix the Error ORA-40119: nested columns incompatible with missing value treatment ?

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

Use 2D (non-nested) data representation or manually delete the rows with NULL values and disable the delete_row missing value treatment.