Database Concepts Book Back Practice Test — Class 12 Computer Science

12th Standard Computer Science — Database Concepts: Book Back Online Practice Test

Pick how many questions you want and set a time limit, then start. You'll get your score at the end with the correct answer and an explanation for every question. Free, in Tamil and English — 10 questions available.

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What is the acronym of DBMS?

A.DataBase Management Symbol B.Database Managing System C.DataBase Management System D.DataBasic Management System

A table is known as

A.tuple B.attribute C.relation D.entity

Which database model represents parent-child relationship?

A.Relational B.Network C.Hierarchical D.Object

Relational database model was first proposed by

A.E F Codd B.E E Codd C.E F Cadd D.E F Codder

What type of relationship does hierarchical model represents?

A.one-to-one B.one-to-many C.many-to-one D.many-to-many

Who is called Father of Relational Database from the following?

A.Chris Date B.Hugh Darween C.Edgar Frank Codd D.Edgar Frank Cadd

Which of the following is an RDBMS?

A.Dbase B.Foxpro C.Microsoft Access D.Microsoft Excel

What symbol is used for SELECT statement?

A.σ B.Π C.X D.Ω

A tuple is also known as

A.table B.row C.attribute D.field

Q10

Who developed ER model?

A.Chen B.EF Codd C.Chend D.Chand

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About this Database Concepts test

This free online practice test covers Database Concepts from the 12th Standard Computer Science (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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