Classical

Database MCQ - File Structures

1:  

The method of access which uses key transformation is known as

A.

Direct.

B.

Hash.

C.

Random.

D.

Sequential

 
 

Option: B

Explanation :


2:  

The file organization that provides very fast access to any arbitrary record of a file is

A.

Ordered file

B.

Unordered file

C.

Hashed file

D.

B-tree

 
 

Option: C

Explanation :


3:  

The physical location of a record is determined by a mathematical formula that transforms a file key into a record location is :

A.

B-Tree File

B.

Hashed File

C.

Indexed File

D.

Sequential file.

 
 

Option: B

Explanation :


4:  

 A B-tree of order m has maximum of _____________ children

A.

m

B.

m+1

C.

m-1

D.

m/2

 
 

Option: A

Explanation :


5:  

Which two files are used during operation of the DBMS

A.

Query languages and utilities

B.

DML and query language

C.

Data dictionary and transaction log

D.

Data dictionary and query language

 
 

Option: C

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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  • Post Graduate Exams
  •  PhD Entrance Exam
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  • UGC NET
  • Pre PhD Entrance Exam
  • DOEACC Exams
  • Kendriya Vidyalaya Sangathan Entrance Exam

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