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.The full form of DDL is
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Question 2 of 30
Q-2.Which of the following are the properties of entities?
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Question 3 of 30
Q-3.Relational Algebra is
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Question 4 of 30
Q-4.The method in which records are physically stored in a specified order according to a key
field in each record is
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Question 5 of 30
Q-5.Which of the following is another name for weak entity?
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Question 6 of 30
Q-6.The RDBMS terminology for a row is
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Question 7 of 30
Q-7.Which are the two ways in which entities can participate in a relationship?
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Question 8 of 30
Q-8.E-R model uses this symbol to represent weak entity set ?
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Question 9 of 30
Q-9.The ______ operator is used to compare a value to a list of literals values that have been
specified
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Question 10 of 30
Q-10.A B-tree of order m has maximum of _____________ children
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Question 11 of 30
Q-11.In a relational model, relations are termed as
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Question 12 of 30
Q-12.An entity set that does not have sufficient attributes to form a primary key is a
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Question 13 of 30
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Question 14 of 30
Q-14.The DBMS language component which can be embedded in a program is
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Question 15 of 30
Q-15.The full form of DDL is
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Question 16 of 30
Q-16.In an E-R diagram an entity set is represent by a
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Question 17 of 30
Q-17.Which of the following is record based logical model?
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Question 18 of 30
Q-18.A Dada manipulation command the combines the records from one or more tables is called
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Question 19 of 30
Q-19.Which of the following is a comparison operator in SQL?
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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 file manipulation command that extracts some of the records from a file is called
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Question 22 of 30
Q-22.The relational model feature is that there
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Question 23 of 30
Q-23.Data independence meAns
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Question 24 of 30
Q-24.A primary key if combined with a foreign key creates
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Question 25 of 30
Q-25.Hierarchical model is also called
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Question 26 of 30
Q-26.Which of the following database object does not physically exist?
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Question 27 of 30
Q-27.The statement in SQL which allows to change the definition of a table is
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Question 28 of 30
Q-28.Cartesian product in relational algebra is
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Question 29 of 30
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Question 30 of 30
Q-30.An instance of relational schema R (A, B, C) has distinct values of A including NULL values. Which one of the following is true?
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