Hello Friends,this particular section is well focused on the Frequently asked Database Fundamentals Multiple Choice Questions Answers in the various competitive exam.The set of questions are very basic and easily understandable by reader.we have kept the question hardness level to very basic.

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1. The users who use easy-to-use menu are called

  • Sophisticated end users
  • Naïve users
  • Stand-alone users.
  • Casual end users.

2. Which database level is closest to the users?

  • External 
  • Internal
  • Physical 
  • Conceptual

3. Which are the two ways in which entities can participate in a relationship?

  • Passive and active
  • Total and partial
  • Simple and Complex
  • All of the above

4. The result of the UNION operation between R1 and R2 is a relation that includes

  • all the tuples of R1
  • all the tuples of R2
  • all the tuples of R1 and R2
  • all the tuples of R1 and R2 which have common columns

5. Which of the following is a comparison operator in SQL?

  • =
  • LIKE
  • BEtween
  • ALL

6. A set of possible data values is called

  • attribute
  • degree
  • tuple
  • domain

7. Which of the operations constitute a basic set of operations for manipulating relational data?

  • Predicate calculus
  • Relational calculus
  • Relational algebra
  • None of the above

8. Which of the following is another name for weak entity?

  • Child 
  • Owner
  • Dominant 
  • All of the above

9. Which of the following database object does not physically exist?

  • base table
  • index
  • view
  • none of the above

10. NULL is

  • the same as 0 for integer
  • the same as blank for character
  •  the same as 0 for integer and blank for character
  • Not a value
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