What is the highest normal form of the relation(s) shown in the exhibit?
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 table for an employee database shown in the exhibit. What is the cardinality of the table?
Consider the relations shown in the exhibit. Due to restructuring, the sales department has been eliminated and the employees working in that department have been dismissed. All ID information is stored as integers. Which SQL statement would be used to return a relation with all information for the employees who have been dismissed?