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 of the following operation is used if we are interested in only certain columns of a
table?
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Question 2 of 30
Q-2.The language which has recently become the defacto standard for interfacing application
programs with relational database system is
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Question 3 of 30
Q-3.A primary key is combined with a foreign key creates
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Question 4 of 30
Q-4.The full form of DDL is
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Question 5 of 30
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Question 6 of 30
Q-6.The database schema is written in
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Question 7 of 30
Q-7._________ is a virtual table that draws its data from the result of an SQL
SELECT statement.
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Question 8 of 30
Q-8.Which of the following is record based logical model?
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Question 9 of 30
Q-9.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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Question 10 of 30
Q-10.The statement in SQL which allows to change the definition of a table is
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Question 11 of 30
Q-11.The view of total database content is
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Question 12 of 30
Q-12.The method of access which uses key trAnsformation is known as
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Question 13 of 30
Q-13.Which of the following is a comparison operator in SQL?
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Question 14 of 30
Q-14.Key to represent relationship between tables is called
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Question 15 of 30
Q-15.Which of the following is correct:
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Question 16 of 30
Q-16.A table joined with itself is called
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Question 17 of 30
Q-17.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 18 of 30
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Question 19 of 30
Q-19.It is better to use files than a DBMS when there are
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Question 20 of 30
Q-20._______ produces the relation that has attributes of R1 and R2
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Question 21 of 30
Q-21.To delete a particular column in a relation the command used is:
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Question 22 of 30
Q-22.E-R model uses this symbol to represent weak entity set ?
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Question 23 of 30
Q-23.In a relational model, relations are termed as
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Question 24 of 30
Q-24.TrAnsaction processing is associated with everything below except
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Question 25 of 30
Q-25.The language used in application programs to request data from the DBMS is referred
to as the
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Question 26 of 30
Q-26.Which of the following is a valid SQL type?
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Question 27 of 30
Q-27.Count function in SQL returns the number of
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Question 28 of 30
Q-28.The property / properties of a database is / are :
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Question 29 of 30
Q-29.‘AS’ clause is used in SQL for
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Question 30 of 30
Q-30.The RDBMS terminology for a row is
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