How to fix the Oracle error ORA-30554: function-based index string.string is disabled?

In this post, you’ll learn more about the Oracle ErrorORA-30554: function-based index string.string is disabled with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30554: function-based index string.string is disabled

Reason for the Error ORA-30554: function-based index string.string is disabled

An attempt was made to access a function-based index that has been marked disabled because the function on which the index depends has been changed.

How to fix the Error ORA-30554: function-based index string.string is disabled ?

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

Perform one of the following actions: — drop the specified index using the DROP INDEX command — rebuild the specified index using the ALTER INDEX REBUILD command — enable the specified index using the ALTER INDEX ENABLE command — make the specified index usable using the ALTER INDEX UNUSABLE command