A table that meets the definition of a relation is in ________.

When representing a one-to-many relationship in a relational database design, ________.

 ________ is not often an advantage for a read-only database.

Given the functional dependency A → (B, C), B is a(n) ________.

An artificial column added to a relation to serve as the primary key is a ________.

A determinant that determines all the other columns in a relation is a ________.

Add or subtract the expressions with different denominators as indicated.  – 

Multiply.  ∙ 

Multiply and divide as indicated.  ÷  ∙ 

Your 7 year-old patient presents with a rose/red maculopapular rash that started approximately 3-4 days ago and has now spread to their trunk. On further exam you notice white spots on an erythematous base. The parent states the patient had signs and symptoms of an upper respiratory infection prior to the rash appearing. Your first differential diagnosis should be?