How to fix the Oracle error ORA-02442: Cannot drop nonexistent unique key?

AbundantCode 3 weeks ago in Oracle 0

In this post, you’ll learn more about the Oracle ErrorORA-02442: Cannot drop nonexistent unique key with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02442: Cannot drop nonexistent unique key

Reason for the Error ORA-02442: Cannot drop nonexistent unique key

alter table drop unique (

) – unique specification does not exist.

How to fix the Error ORA-02442: Cannot drop nonexistent unique key ?

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

make sure column list for unique constraint is correct.

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