Consider the table for an employee database shown in the exhibit. What is the cardinality of
the table?

Answer : C
Consider the Registration relation shown in the exhibit. Which of the following SQL
statements would return the Registration2 relation from the Registration relation?

Answer : C
The exhibit shows a relation for a companys projects. Which candidate key(s) would best
serve as the primary key for this relation?

Answer : D
Consider the relation shown in the exhibit. Which of the following SQL statements would
return a relation that excludes all customers with a Satisfaction_Rate of less than or equal to 80
unless the Sales_Office is located in Atlanta?

Answer : A
Consider the Registration relation shown in the exhibit. Which of the following SQL
statements would return the Registration2 relation from the Registration relation?

Answer : C
In a relational database, which term describes a single table consisting of rows and columns?
Answer : C
Which component in the three-tier database architecture handles the data-processing and
business logic?
Answer : D