Consider the following table as well as the Dept1_Parts and Dept2_Parts relations shown in
the exhibit:
Which of the following relational algebraic expressions would result in the given table?
Which pair of relational algebraic operations requires union compatibility?
Consider the entity-relation (ER) diagram shown in the exhibit. When the logical database
design phase is completed, which of the following is a valid DBDL description of the base
relations for the ER diagram?
Which of the following definitions applies to all types of databases?
Your enterprise must decide whether to use a database management system. Which of the
following best describes the overall functionality of a DBMS?