Which of the following occurs when two connections need access to same piece of data concurrently and the meanwhile another is blocked because at a particular time, only one connection can have access?

A) Block

B) Lock

C) Deadlock

D) Exclusive lock

Correct Answer : Block

Explanation : Lock is done by database when any connection access the same piece of data concurrently and another is demanding for it.

Top Trending Technologies MCQ's

Machine Learning

Artificial Intelligence

Natural Language Processing

Top Trending Technologies Interview Questions