How to fix the Oracle error ORA-02429: cannot drop index used for enforcement of unique/primary key?

In this post, you’ll learn more about the Oracle ErrorORA-02429: cannot drop index used for enforcement of unique/primary key with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02429: cannot drop index used for enforcement of unique/primary key

Reason for the Error ORA-02429: cannot drop index used for enforcement of unique/primary key

user attempted to drop an index that is being used as the enforcement mechanism for unique or primary key.

How to fix the Error ORA-02429: cannot drop index used for enforcement of unique/primary key ?

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

drop the constraint instead of the index.