12th Computer Science Chapter- 11 Onemarks Online Test

Question 1: What is the acronym of DBMS

A) DataBase Management Symbol

B) DataBase Managing System

C) DataBase Management System

D) DataBasic Management System

Question 2: A table is known as

A) Tuple

B) Attribute

C) Relation

D) Entity

Question 3: Which database model represents parent-child relationship?

A) Relational

B) Network

C) Hierarchical

D) Object

Question 4: Relational database model was first proposed by

A) E F Codd

B) E E Codd

C) E F Cadd

D) E F Codder

Question 5: What type relationship does hierarchical model represents?

A) one-to-one

B) one-to-many

C) many-to-one

D) many-to-many

Question 6: Who is called father of relational database from the following?

A) Chris Date

B) Hugh Darween

C) Edgar Frank Codd

D) Edgar Frank Cadd

Question 7: Which of the following s an RDBMS?

A) Dbase

B) Foxpro

C) Microsoft Access

D) Microsoft Excel

Question 8: What symbol is used for SELECT statement?

A) σ

B) π

C) X

D) Ω

Question 9: A tuple is also known as

A) Table

B) Row

C) Attribute

D) Field

Question 10: Who developed ER model?

A) Chen

B) EF Codd

C) Chend

D) Chand

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