DBMS MCQ : Disadvantages of File (Multiple Choice Questions)
Question 1 |
Duplication of data at several places is called as _______________.
Data Isolation | |
Data Redundancy | |
Data Inconsistency | |
Atomicity Problem |
Question 2 |
Data Redundancy increases the cost of storing and retrieving data.
False | |
True |
Question 2 Explanation:
Due to Duplicate data , duplicate information gets stored in the database and thus cost for storage and retrieval increases.
Question 3 |
Suppose user have Saving Account and Checking Account in the Bank. Saving Account Stores following information -
account-no
name
address
mobile
and Checking Account stores -
account-no
name
address
mobile
Which of the information is not redundant.name | |
account-no | |
address | |
mobile |
Question 3 Explanation:
Account no is different for different account i.e for Checking Account and Saving Account.
Question 4 |
If in redundant file common fields are not matching then it results in _____________.
Data Isolation | |
Data Integrity Problem | |
Data Redundancy | |
Data Inconsistency |
Question 5 |
It is difficult to access conventional file system than Database System.
False | |
True |
There are 5 questions to complete.