Database Systems MCQs – Practice Test 15 (Chapter 4)

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Free Database Design and ER Model Quiz App Download (Android & iOS): An entity set that does not have sufficient attributes to form a primary key is known as; MCQ with answers: deficient entity set, weak entity set, irrational entity set, and strong entity set. Learn Relational Algebra Quiz Questions, download Google Book (Free Chapter) to master DBMS concepts.

Database Design and ER Model Quiz – Practice Test 15 PDF Download

MCQ 71: Systems that includes interaction with people, focus on having:

Low throughput
High throughput
High response time
Low response time

MCQ 72: An entity set that does not have sufficient attributes to form a primary key is known as:

Weak entity set
Deficient entity set
Irrational entity set
Strong entity set

MCQ 73: The design of generalization from an initial entity set into successive levels of entity subgroupings depicts a:

Bottom-up approach
Horizontal approach
Vertical approach
Top-down approach

MCQ 74: High utilization of system components can be achieved by:

High throughput
Low response time
Low throughput
High response time

MCQ 75: The amount of time taken by a single transaction from start to finish in any case, is known to be its:

Buffer time
Response time
Queue time
Throughput

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