Nested tables are a good choice when

• A. The index values are not consecutive.
• B. There is no set number of index values. However, a maximum limit is imposed.
• C. You need to delete or update some elements, but not all the elements at once.
• D. You would usually create a separate lookup table, with multiple entries for each row of the main table, and access it through join queries.
• E. All mentioned above