How to fix the Oracle error ORA-12992: cannot drop parent key column?

In this post, you’ll learn more about the Oracle ErrorORA-12992: cannot drop parent key column with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12992: cannot drop parent key column

Reason for the Error ORA-12992: cannot drop parent key column

An attempt was made to drop a parent key column.

How to fix the Error ORA-12992: cannot drop parent key column ?

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

Drop all constraints referencing the parent key column, or specify CASCADE CONSTRAINTS in statement.