With each visit of this Database Management System online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.Which are the two ways in which entities can participate in a relationship?
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Question 2 of 30
Q-2._________ is a virtual table that draws its data from the result of an SQL
SELECT statement.
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Question 3 of 30
Q-3.Relational Algebra is
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Question 4 of 30
Q-4.Which of the following is another name for weak entity?
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Question 5 of 30
Q-5.A B-tree of order m has maximum of _____________ children
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Question 6 of 30
Q-6.The DBMS language component which can be embedded in a program is
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Question 7 of 30
Q-7.Which of the following is a legal expression in SQL?
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Question 8 of 30
Q-8.The relational model feature is that there
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Question 9 of 30
Q-9.The relational model feature is that there
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Question 10 of 30
Q-10.Which of the following is another name for weak entity?
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Question 11 of 30
Q-11.An entity set that does not have sufficient attributes to form a primary key is a
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Question 12 of 30
Q-12.A file manipulation command that extracts some of the records from a file is called
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Question 13 of 30
Q-13.A relational database developer refers to a record as
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Question 14 of 30
Q-14.Which one of the following is not true for a view:
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Question 15 of 30
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Question 16 of 30
Q-16.It is better to use files than a DBMS when there are
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Question 17 of 30
Q-17.The property / properties of a database is / are :
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Question 18 of 30
Q-18.In E-R Diagram relationship type is represented by
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Question 19 of 30
Q-19.Natural join is equal to?
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Question 20 of 30
Q-20. What is a relationship called when it is maintained between two entities?
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Question 21 of 30
Q-21.A primary key if combined with a foreign key creates
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Question 22 of 30
Q-22.What is a relationship called when it is maintained between two entities?
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Question 23 of 30
Q-23.In the relational modes, cardinality is termed as:
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Question 24 of 30
Q-24.Which of the following is record based logical model?
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Question 25 of 30
Q-25.E-R model uses this symbol to represent weak entity set ?
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Question 26 of 30
Q-26.Which one of the following is not true for a view:
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Question 27 of 30
Q-27.The database environment has all of the following components except:
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Question 28 of 30
Q-28.The statement in SQL which allows to change the definition of a table is
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Question 29 of 30
Q-29.Which database level is closest to the users?
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Question 30 of 30
Q-30.Which of the following is an advantage of view?
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