Please show all work.

QUESTION 7 (a) What is the smallest meaningful piece of information in a database called? (b) Related fields are broken down and grouped into what? (c) What structure in a database are different instances of the same type of records stored in? (d) What is a primary key? Explain fully (do not use the word "key" in your explanation) (e) Which of these fields will most likely be grouped into a separate record definition than the rest, and why? You can circle them. First name, personal e-mail address, last name, age, street address, school e-mail address, state, city, work e-mail address, middle name, zip code, country, business e-mail address, secondary e-mail address)