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MCQs

Total Questions : 50 | Page 2 of 5 pages
Question 11. Which of the following is NOT Advantages of DBMS
  1.    Increased data consistency 
  2.    Reduced data redundancy
  3.    Improved data security 
  4.    Increase data isolation
 Discuss Question
Answer: Option D. -> Increase data isolation
Question 12. Which command is used to remove all rows from a table ?
  1.    Delete
  2.    Remove
  3.    Truncate
  4.    Both [A] and [B]
 Discuss Question
Answer: Option C. -> Truncate
Question 13. Which of the following statements contains an error?
  1.    Select * from emp where empid = 10003;
  2.    Select empid from emp where empid = 10006;
  3.    Select empid from emp;
  4.    Select empid where empid = 1009 and lastname = ‘GELLER’;
 Discuss Question
Answer: Option D. -> Select empid where empid = 1009 and lastname = ‘GELLER’;
Question 14. The database management system can be considered as the collection of ______ that enables us to create and maintain the database
  1.    Translators
  2.    Programs
  3.    Keys
  4.    Language activity
 Discuss Question
Answer: Option B. -> Programs
Question 15. Which of the following refers collection of the information stored in a database at a specific time?
  1.    Independence
  2.    Instance of the database
  3.    Schema
  4.    Data domain
 Discuss Question
Answer: Option B. -> Instance of the database
Question 16. What is the full form of ESE and PA component in GTU syllabus
  1.    End Semester Examination
  2.    Final Exam component
  3.    Performance Analysis
  4.    Progressive Assessment
 Discuss Question
Answer: Option A. -> End Semester Examination
Question 17. In existing table, ALTER TABLE statement is used to
  1.    Add constraints
  2.    Delete columns
  3.    Delete constrains
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 18. SQL Query to delete all rows in a table without deleting the table (structure, attributes, and indexes)
  1.    DELETE FROM table_name;
  2.    DELETE TABLE table_name;
  3.    DROP TABLE table_name;
  4.    None
 Discuss Question
Answer: Option A. -> DELETE FROM table_name;
Question 19. A database management system (DBMS) is a collection of programs that enables users to
  1.    create a database
  2.    manipulate a database
  3.    both create and manipulate a database
  4.    for storing data only
 Discuss Question
Answer: Option C. -> both create and manipulate a database
Question 20. The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate
  1.    Where, from
  2.    From, select
  3.    Select, from
  4.    From, where
 Discuss Question
Answer: Option A. -> Where, from

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