DBMS first 10 questions

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Other
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University
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Easy
Vaishnavi Patil
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Duplication of data at several places is called as _______________.
Data Inconsistency
Database
Data Redundancy
Data Atomicity
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is incorrect regarding levels of abstraction in database ?
Physical level describes how to store a record and not the relationship among the data.
Logical level describes what data to store in database and the relationship among the data.
Physical level describes what data to store in the database.
View level describe only part of entire database.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bank customer can withdraw money from bank account using ATM machine interfaces. Which type of user is a bank customer
Naïve user
Application Developer
DBA
Programmer
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The physical storage structure or device could be changed without affecting the conceptual schema, this is known as _____
Physical data Independence
Logical data Independence
External data independance
View data independance
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
_________ is a sub component of Query processor Which executes low level instructions
Complier and Linker
File Manager
Buffer Manager
Query Evaluation engine
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
If you want to maintain and store information about your car inurance company, a car would be considered a(n) _____
Relation
Entity
Instance
Instance
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is cardinality of relation between loan and customer in the given diagram
A loan can be borrowed by at most 1 customer and a customer can borrow at most 1 loan
A loan can be borrowed by N customer and a customer can borrow at most 1 loan
A loan can be borrowed by at most 1 customer and a customer can borrow N loans
A loan can be borrowed by N customer and a customer can borrow at most N loan
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