data base management system (DBMS) set 4 Detailed Explanation And More Example

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The following question based on data base management system (DBMS) topic of computer mcq

Questions : The activity of a file

(a) Is a low percentages of number of records added or deleted from a file

(b) If high, reduces processing efficiency for sequential and non sequential files

(c) Is a measure of the percentage of existing records updated during a run

(d) Refers to how closely the files fit into the allocated

The correct answers to the above question in:

Answer: (a)

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Read more dbms Based Computer Questions and Answers

Question : 1

The framework for storing records in database is a

a) Form

b) Report

c) Query

d) Table

Answer: (c)

Question : 2

The following term applies to a collection of related records in a database

a) File

b) Layout

c) File

d) Field

Answer: (a)

Question : 3

If a piece of data is stored in two places in the database, then a

a) Storage space is wasted

b) Changing the data is one spot will cause data inconsistency

c) It can be more easily accessed

d) Both (A) and (B)

Answer: (d)

Question : 4

A file containing relatively permanent data is

a) Random file

b) Transaction file

c) Master file

d) Sequential file

Answer: (c)

Question : 5

The term refers to a collection of related information

a) Database

b) List

c) Outline

d) Record

Answer: (c)

Question : 6

A top to bottom relationship among the items in a database is established by a

a) Hierarchical schema

b) Network Schema

c) Relational schema

d) All of the above

Answer: (a)

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