3. (TCO 7) Which of the following is a restriction of Structured English? (Points : 4) Only strong, imperative verbs may be used. Only names that have been defined in the project dictionary may be used. Formulas must be stated clearly using appropriate mathematical notations. Blocking and indentation must be used for readability. All of the above

Question 4. 4. (TCO 10) The DeptID field in an employee table must match the DeptID of an existing record in the department table. This is an example of (Points : 4)

key integrity. domain integrity. referential integrity. logical integrity. schema integrity.

Question 5. 5. (TCO 10) The foreign key value in one table must have a matching primary key value in the related table. This refers to (Points : 4)

referential integrity. domain integrity. key integrity. data integrity. None of the above

Question 6. 6. (TCO 9) A true entity (Points : 4)

must have only one instance. must have the same cardinality and degree. must have a recursive relationship. must have many possible instances. All of the above

Question 7. 7. (TCO 9) The data model for a single information system is usually called (Points : 4)

the enterprise data model. the logical data model. the application data model. the physical data model. None of the above

Question 8. 8. (TCO 10) What column is a good candidate to be the primary key? This refers to (Points : 4)

referential integrity. domain integrity. key integrity. data integrity. None of the above