Question
Which of the following concurrency control methods
avoids deadlocks entirely but can reduce concurrency by blocking transactions at start?Solution
Conservative 2PL prevents deadlocks by ensuring a transaction obtains all required locks before proceeding; if not available, it waits or aborts, reducing concurrency.
If life existed on Mars, it is most likely to be in (1)/ the form of bacteria buried deep in (2)/ the planet’s permafrost or lichens. (3)/ No erro...
In the following questions, a sentence is divided into four parts. Choose the part of the sentence which may contain a grammatical error in it. If all ...
In each of the questions, a sentence has been divided into four parts, one of which may contain an error. Identify that fragment and mark it as your an...
In each of the questions given below, read each sentence carefully to find out whether there is any grammatical error in it. The error, if any, will be...
The company reports (a) / that the demand for their computers (b) / are growing everyday (c) / No error (d)
(A) When you look at a product / (B) on one of it’s web pages, / (C) Amazon suggests other / (D) products you might like as well.
The recently(1) finding that microplastic particles(2) are found even in ‘safe’ bottled water indicates(3) the magnitude(4) of the crisis.
...He explained that the pillars of tribalism (1)/ that humans rely on for security would always (2)/ counter any significant culture or social change. (3)...
On its part, India has said that (A)/a technical malfunction during routine maintenance (B)/lead to the accidental firing of the missile (C).
Each of the girls(A)/ have come(B)/ with her books.(C)
