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Introduction to Database

Authored by kiean nyak loh

Computers

University

Used 46+ times

Introduction to Database
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a database?

It is a database engine/system based on relational model.

The ANSI standard language for operating relational tables

A collection of information/objects/tables

It contains information that describes the data for the individual record.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a Primary Key?

It is a key composed of columns that actually have a logical relationship to other columns within a table.

It is a key used to link two tables together

It is a technique which organizes tables in a manner that reduces redundancy and dependency of data.

It consists of one or more columns whose data contained within is used to uniquely identify each row in the table.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Column in a table also known as

Attribute

Entity

Record

Relationship

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Following are the relationship type, except

One-to-zero relationship

One-to-one relationship

Ont-to-many relationship

Many-to-many relationship

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the types of Data Anomalies:

Add, Delete and Save anomalies

Insert, Add and Save anomalies

Update, Save and Insert anomalies

Insert, Delete and Update anomalies

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Normalization consists of First Normal Form, Second Normal Form and ?

Second and a half Normal Form

Three Normal Form

Third Normal Form

Zero Normal Form

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which one of these do we wan to avoid in good database design?

Data

Redundancy

Normalization

RDBMS

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