Examine the table:

Table name: PRODUCTS

Schema: SCOTT

Tablespace: USERS

Organization: Standard (Heap Organized)

This table contains 20 rows. In the data that has been entered, the PROD_ID column contains only single-digit values, PROD_NAME has a maximum of five characters, and PROD_RATE has four-digit values for all rows.

Which two statements are true regarding the modifications that can be performed to the structure of the PRODUCTS table?