Database Management System (DBMS) Questions and Answers

This quiz consist of database management DBMS quiz questions in the form of multiple choice out of which only one option is correct.These questions should be prepared for various competitive exam.
1. The level of data abstraction which describes how the data is actually stored is?
[A] Physical level
[B] Conceptual level
[C] Storage Level
[D] File level
Loading...
2. The level of abstraction describes only part of the entire database is called?
[A] Conceptual level
[B] View Level
[C] Procedural Level
[D] None of above
Loading...
3. Object based data models are used in describing the abstraction of the following levels?
[A] Conceptual and view
[B] Only physical
[C] Physical and conceptual
[D] Only conceptual
Loading...
4.
An association of several structure of a data base can be expressed graphically by?
[A] Tuple
[B] Record
[C] Relationship
[D] Field
Loading...
5.
The overall logical structure of data base can be expressed graphically by?
[A] Data flow chart
[B] Flow chart
[C] Directed Graph
[D] Entity relationship diagram
Loading...
6.
In an object oriented model, one object can access data of another object by passing?
[A] Instance variable
[B] Variable
[C] Message
[D] Function
Loading...
7.
The collection of information stored in a database at a particular moment is?
[A] View
[B] Instance
[C] Scheme
[D] None of these
Loading...
8.
The overall design of a database is called?
[A] Scheme of the database
[B] The screen of database
[C] Structure of the database
[D] View of the database
Loading...
9. The ________ states that a foreign key must either match a primary key value in another relation or it must be null.
[A] entity integrity rule
[B] referential integrity constraint
[C] action assertion
[D] composite attribute
Loading...
10. Three SQL, DDL, CREATE commands are ________ .
[A] Schema, Base and Table
[B] Key, Base and Table
[C] Base, Table and Schema
[D] Schema, Table and View
Loading...
Are these questions helpful for you?

Comments: (Your feedback is valuable to us)

hefza abid 1 year ago Reply

really very appriciated................
good work
keep it up.........................


sathish 2 years ago Reply

This website all questions very usefull for me


sunila 2 years ago Reply

8th question answer is schema, not scheme.please correct it.


Bless Eshun 2 years ago Reply

This site is very educative, please keep it up


SAURAV KUMAR MAJI 2 years ago Reply

thanks..................gd collection


Arshad Khan 2 years ago Reply

Thank for creating such informative site. Kindly add more questions.
Thanks.


ritesh 3 years ago Reply

guys how to downoad pdf freom ths side ..i login many tme..bt always show inactive account..

Admin 3 years ago

Hi you have to confirm your account by clicking on link we have sent in you email!


Suman Kumar 3 years ago Reply

Nice... It would have been nicer if there were explanation

Admin 3 years ago

Hi you can contribute your explanations of all questions in discussion box. Thanks!