What is the highest normal form of the relation(s) shown in the exhibit?

Your database administrator has disallowed a group of users from making alterations to the
Employees table in your corporate database. The users, known as Group_2, previously had full
privileges with the Employees table. Which of the following SQL statements properly removes any
alteration privileges from Group_2?

Which type of dependency occurs when one attribute of a composite key is removed and the
dependency still exists?

Consider the Project relation shown in the exhibit as well as the following SQL statement:
DELETE FROM Project
WHERE Cust_Name = Acme;
Which of the following tables shows the Project relation after execution of this SQL statement?

Consider the relations shown in the exhibit.

Which of the following SQL statements would enter data from the Customers relation into the Atlanta_Customers relation?

Which concurrency control method should be used only when conflicts between transactions
rarely occur?

Which mechanism provides database users with controlled access to the database through the
use of virtual tables?

Consider the relational database shown in the exhibit.

What is the foreign key in this database?

Consider the following relational algebraic expression as well as the Employee and Department
relations shown in the exhibit: Which of the following relations would result from the given
relational algebraic expression?

Consider the Project relation shown in the exhibit as well as the following SQL statement:

Which of the following tables shows the Project relation after execution of this SQL statement?