Question

which of the following is/are types of parallel database architectures?
1.shared memory
2.shared nothing
3.shared disk
4.none of the above

Answer 1

1 shared memory......... .........

Answer 2

The correct answer is option (1.) shared memory.

Explanation:

• Shared memory is/are types of parallel database architectures.
• Shared memory is a type of architecture in parallel databases, multiple processors share the main memory but having there own disk for storage.
• In the shared-memory architecture, the entire or all the memory, i.e., main memory and disks, is shared by all processors.
• It may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies.