Boot Configuration Data corruption can prevent which of the following operating systems from booting?

What is not true about records?

A. They are displayed as rows in datasheet view. B. They represent categories of information that is stored in a database. C. They are a complete set of fields for a person, place, etc. D. They are stored in tables.

To ensure the uniqueness of values in a non-primary key column, you can create a unique index by using the ____________________ command.

Fill in the blank(s) with the appropriate word(s).