How to fix the Oracle error ORA-23626: No eligible index on table string.string?

In this post, you’ll learn more about the Oracle ErrorORA-23626: No eligible index on table string.string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23626: No eligible index on table string.string

Reason for the Error ORA-23626: No eligible index on table string.string

Table did not have an eligible index to use for comparison.

How to fix the Error ORA-23626: No eligible index on table string.string ?

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

For a table to be compared using DBMS_COMPARISON, the table must have an appropriate index on a column of certain data types. Check the documentation for supported data types.