SQL for Database Construction – General Questions

6. To update an SQL view, the DBMS must be able to associate the column(s) to be updated with:

A. a particular column in a particular underlying table.
B. a particular column in a particular row.
C. a particular row in a particular underlying table.
D. None of the above is correct.

Correct Answer:  C. a particular row in a particular underlying table.

7. Which of the following is NOT a type of SQL constraint?

A. PRIMARY KEY
B. FOREIGN KEY
C. ALTERNATE KEY
D. UNIQUE

Correct Answer:  C. ALTERNATE KEY

8. A ________ is a program that performs some common action on database data and that is stored in the database.

A. trigger
B. stored procedure
C. pseudofile
D. None of the above is correct

Correct Answer:  B. stored procedure

9. For what purposes are views used?

A. To hide columns only
B. To hide rows only
C. To hide complicated SQL statements only
D. All of the above are uses for SQL views.

Correct Answer:  D. All of the above are uses for SQL views.

10. What is an SQL virtual table that is constructed from other tables?

A. Just another table
B. A view
C. A relation
D. Query results

Correct Answer:  B. A view

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