Explore topic-wise MCQs in Database.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_TECHNIQUE_WHERE_THE_BLOCKS_WHICH_HAVE_BEEN_USED_ARE_REPLACED_IS_CALLED?$

A. Replacement strategy
B. Forced strategy
C. Crash recovery system
D. Most recently used
Answer» E.
2.

____________________frees_the_space_occupied_by_a_block_as_soon_as_the_final_tuple_of_that_block_has_been_processed.$

A. Replacement strategy
B. Forced strategy
C. Toss immediate strategy
D. Most recently used
Answer» D. Most recently used
3.

In case the buffer manager do not write the blocks properly then the buffer manager use?

A. Replacement strategy
B. Forced strategy
C. Crash recovery system
D. Both Replacement and Forced strategy
Answer» D. Both Replacement and Forced strategy
4.

The frequently used buffer replacement strategy is

A. Most recently used
B. Least recently used
C. Longest block
D. All of the mentioned
Answer» C. Longest block
5.

There are situations in which it is necessary to write back the block to disk, even though the buffer space that it occupies is not needed. This write is called the

A. Pinned block strategy
B. Forced output block
C. Buffer replacement strategy
D. All of the mentioned
Answer» C. Buffer replacement strategy
6.

A block that is not allowed to be written back to disk is said to be ______________

A. Pinned
B. Forced
C. Buffer
D. All of the mentioned
Answer» B. Forced
7.

In the buffer where there is no space for another block, the block can be inserted using

A. Pinned block strategy
B. Forced output block
C. Buffer replacement strategy
D. All of the mentioned
Answer» D. All of the mentioned
8.

The subsystem responsible for the allocation of buffer space is called the ___________

A. Buffer
B. Buffer manager
C. Storage
D. Secondary storage
Answer» C. Storage
9.

A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by

A. Buffer
B. Catalog
C. Storage
D. Secondary storage
Answer» B. Catalog
10.

The _______ is that part of main memory available for storage of copies of disk blocks.

A. Buffer
B. Catalog
C. Storage
D. Secondary storage
Answer» B. Catalog