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
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Question 2 of 30
Q-2.Relational calculus is a
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Question 3 of 30
Q-3.To delete a particular column in a relation the command used is:
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Question 4 of 30
Q-4.Which database level is closest to the users?
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Question 5 of 30
Q-5.The relational model feature is that there
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Question 6 of 30
Q-6.Which of the operations constitute a basic set of operations for manipulating relational
data?
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Question 7 of 30
Q-7._______ produces the relation that has attributes of R1 and R2
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Question 8 of 30
Q-8.The way a particular application views the data from the database that the application
uses is a
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Question 9 of 30
Q-9.The language used in application programs to request data from the DBMS is referred
to as the
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Question 10 of 30
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Question 11 of 30
Q-11.A relational database developer refers to a record as
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Question 12 of 30
Q-12.It is possible to define a schema completely using
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Question 13 of 30
Q-13.Which of the following is an advantage of view?
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Question 14 of 30
Q-14.The RDBMS terminology for a row is
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Question 15 of 30
Q-15.An advantage of the database management approach is
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Question 16 of 30
Q-16.In the architecture of a database system external level is the
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Question 17 of 30
Q-17.A table joined with itself is called
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Question 18 of 30
Q-18.In E-R Diagram derived attribute are represented by
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Question 19 of 30
Q-19.Count function in SQL returns the number of
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Question 20 of 30
Q-20.The physical location of a record is determined by a mathematical formula that trAnsforms
a file key into a record location is :
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Question 21 of 30
Q-21.An entity set that does not have sufficient attributes to form a primary key is a
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Question 22 of 30
Q-22.The property / properties of a database is / are :
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Question 23 of 30
Q-23.Which of the following are the properties of entities?
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Question 24 of 30
Q-24.Which one of the following is not true for a view:
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Question 25 of 30
Q-25.The ______ operator is used to compare a value to a list of literals values that have been
specified
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Question 26 of 30
Q-26.Natural join is equal to?
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Question 27 of 30
Q-27.Which of the following is record based logical model?
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Question 28 of 30
Q-28.In the relational modes, cardinality is termed as:
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Question 29 of 30
Q-29.In case of entity integrity, the primary key may be
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Question 30 of 30
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