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
Remaining Time: 0 MINUTES
0 of 30 questions completed
Questions:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Information
You have already completed the test before. Hence you can not start it again.
0 of 30 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Question 1 of 30
Q-1.Which of the following operations need the participating relations to be union compatible?
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.Which of the following is a valid SQL type?
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.To delete a particular column in a relation the command used is:
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.Which database level is closest to the users?
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.Cartesian product in relational algebra is
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.Relational calculus is a
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.Count function in SQL returns the number of
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.In an E-R diagram an entity set is represent by a
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.The database schema is written in
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.Relational Algebra is
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.Which of the following is another name for weak entity?
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.The users who use easy-to-use menu are called
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.The RDBMS terminology for a row is
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.The language used in application programs to request data from the DBMS is referred
to as the
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.Which of the following operation is used if we are interested in only certain columns of a
table?
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.A relational database developer refers to a record as
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.In a Hierarchical model records are organized as
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.In E-R Diagram derived attribute are represented by
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.In the relational modes, cardinality is termed as:
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.In a relational model, relations are termed as
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.The conceptual model is
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.A set of possible data values is called
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.A primary key if combined with a foreign key creates
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.An advantage of the database management approach is
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27._________ is a virtual table that draws its data from the result of an SQL
SELECT statement.
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.A DBMS query language is designed to
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.The language which has recently become the defacto standard for interfacing application
programs with relational database system is
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.In E-R diagram generalization is represented by
Your Answer:Correct
Your Answer:Incorrect