Classical

Database MCQ - File Structures

6:  

Match List-I with List-II and select the correct answer using the codes given below the lists:

     List-I                                                                 List-II

A. Primary index                                             1. Dense
B. Clustered index                                         2. sparse
C. Secondary key index
D. Secondary non key index.

A    B    C    D

A.

2 1 1 2

B.

I 1 2 1

C.

1 2 2 1

D.

2 2 1 1

 
 

Option: C

Explanation :


7:  

The order of an internal node in a B* tree index is the maximum number of children it can have. Suppose that a child pointer takes 6 bytes, the search field value takes 14 bytes, and the block size is 512 bytes. What is the order of the internal node?

A.

24

B.

25

C.

26

D.

27

 
 

Option: C

Explanation :


8:  

A clustering index is defined on the fileds which are of type

A.

Non-key and ordering

B.

Non-key and non-ordering

C.

Key and ordering

D.

Key and non-ordering

 
 

Option: A

Explanation :




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Syllabus covered in this section is-

  • E- R diagrams and their transformation, to relational design
  •  Normalization - l NF, 2NF, 3NF
  •  BCNF and 4NF.Limitations of 4NF and BCNF
  • SQL :Data Definition Language (DDL) , Data Manipulation Language (DML), Data Control Language· (DCL)-
  • Database objects like Views, indexes, sequences, synonyms, Data dictionary
  • Database Concepts
  • Data Models,
  • Design of Relational Database
  • Query Processing and Optimization
  • Centralized and Distributed Database
  •  Security.
  •  Concurrency and Recovery in Centralized and Distributed Database Systems,
  • Object Oriented Database Management
  • Systems (Concepts, Composite objects, Integration with ROBMS applications),

 

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