How to fix the Oracle error ORA-29957: cannot create a function-based domain index on a string table?

In this post, you’ll learn more about the Oracle ErrorORA-29957: cannot create a function-based domain index on a string table with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29957: cannot create a function-based domain index on a string table

Reason for the Error ORA-29957: cannot create a function-based domain index on a string table

User specified an unsupported create function-based domain index statement.

How to fix the Error ORA-29957: cannot create a function-based domain index on a string table ?

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

Issue the create function-based domain index statement only on supported types of tables.