1
GATE CSE 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Consider the following transaction involving two bank accounts x and y.
read (x) ; x: = x - 50; write (x); read (y); y: = y + 50; write (y)The constraint that the sum of the accounts x and y should remain constant is that of
2
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
Which of the following concurrency control protocols ensure both conflict serializability and freedom from deadlock?
I. 2-phase locking
II. Time-stamp ordering
3
GATE CSE 2005
MCQ (Single Correct Answer)
+1
-0.3
Amongst the ACID properties of a transaction, the 'Durability' property requires that the changes made to the database by a successful transaction persist
4
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
Which level of locking provides the highest degree of concurrency in a relational database?
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization