SQL for Database Construction - General Questions (2)

9.

When using the SQL INSERT statement:

A.	rows can be modified according to criteria only.
B.	rows cannot be copied in mass from one table to another only.
C.	rows can be inserted into a table only one at a time only.
D.	rows can either be inserted into a table one at a time or in groups.

Answer: Option D

Explanation:

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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

Answer: Option B

Explanation:

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11.

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.

Answer: Option D

Explanation:

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12.

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.

Answer: Option B

Explanation:

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13.

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

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

Answer: Option C

Explanation:

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14.

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.

Answer: Option C

Explanation:

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15.

The SQL statement to create a view is:

A.	CREATE VIEW.
B.	MAKE VIEW.
C.	SELECT VIEW.
D.	INSERT VIEW.

Answer: Option A

Explanation:

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16.

SQL views can be used to hide:

A.	columns and rows only.
B.	complicated SQL syntax only.
C.	both of the above can be hidden by an SQL view.
D.	None of the above is correct.

Answer: Option C

Explanation:

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