XII COMPUTER SCIENCE EM TEST 11

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11. DATABASE CONCEPTS
one mark questions :

Prepared by S. Saminathan, GHSS- MUKHASAPARUR, CUDDALORE DT

https://sites.google.com/view/tn-computer-science/home

NAME *

SCHOOL *

1. What is the acronym of DBMS? *

1 point

Database Management Symbol

Database Management System

Database Managing System

Databasic Management System

2. A table is known as *

1 point

entity

relation

attribute

tuple

3. Which database model represents parent-child relationship? *

1 point

Network

Relational

Object

Hierarchical

4. Relational database model was first proposed by *

1 point

E F Codder

E F Cadd

F G Codd

E F Codd

5. What type of relationship does hierarchical model represents? *

1 point

one-to-one

one-to-many

many-to-many

many-to-one

6. Who is called Father of Relational Database from the following? *

1 point

Hugh Darween

Edgar Frank Cadd

Chris Date

Edgar Frank Codd

7. Which of the following is an RDBMS?
*

1 point

Dbase

SQLite

Mongo DB

Foxpro

8. What symbol is used for SELECT statement? *

1 point

9. A tuple is also known as *

1 point

field

row

attribute

table

10. Who developed ER model? *

1 point

Chend

Chand

Chen

EF Codd

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