Database - Managing Multiuser Databases

Exercise :: Managing Multiuser Databases - General Questions

16. 

Which of the following locks the item from access of any type?

A. Implicit lock
B. Explicit lock
C. Exclusive lock
D. Shared lock

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

17. 

The size of a lock is called:

A. implicit lock.
B. lock granularity.
C. exclusive lock.
D. shared lock.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

18. 

A cursor type in which the application sees the data as they were at the time the cursor was opened is called:

A. forward only.
B. static.
C. keyset.
D. dynamic.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

19. 

What is the overall responsibility of the DBA?

A. Facilitate the development and use of the database
B. Create and populate tables
C. Development, operation, and maintenance of the database and its applications
D. Both the first and third answers above are correct.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

20. 

Locks placed by the DBMS are called ________ .

A. implicit locks
B. explicit locks
C. exclusive locks
D. shared locks

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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