Which subset of Structured Query Language (SQL) is used to create and name database entities?
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?
Consider the entity-relationship (ER) diagram shown in the exhibit. What do the characters at the ends of the connecting line indicate?
Consider the following four database design activities:
1 - Design user views.
2 - Select a DBMS.
3 - Apply normalization.
4 - Determine entities.
Which choice shows the correct ordering of these activities, from first to last, by assigned numbers?