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DATABASE MANAGEMENT SYSTEMS

A visually engaging and colorful illustration of various database components, showing tables, keys, and ER diagrams in a modern style.

Master Your Database Knowledge

Test your understanding of Database Management Systems with this comprehensive 20-question quiz. Whether you're a student, a professional, or just a curious learner, this quiz will challenge your knowledge and help you learn more about the fascinating world of databases.

Topics covered include:

Data Abstraction
Entity-Relationship Diagrams
Normalization Forms
Keys in Relational Databases

20 Questions5 MinutesCreated by LearningBase101

A Database Management System (DBMS) is_________

Operating System

Package or software

Tool

Component

A Database is a collection of_______________ data.

Related data

Information

Documents

Files

______, ______ and ___________ is the level of data abstraction?

Physical, logical, View

Physical, logical, Virtual

Physical, Figure, Logical

Physical, Mathematical, Strucutre

In an Entity-Relationship Diagram Rectangles represents___________

Attributes

Entity set

Relationship

Participation

Schema refers ____________of DBMS

Over all structure

Entity

Records

Tuples

A relational database consists of a collection of_____________

Information

Documents

Tables

Attributes

In mathematical term Table is referred as____________

Table

Relation

Entity

Database

In mathematical term Row is referred as_____________

Entity

Table

Records

Tuple

___________allow us to identify uniquely a tuple in the relation.

Primary Key

Foreign Key

Candidate Key

Reference Key

Logical design of database is called _______________

Structure

Diagram

Database Schema

Model

Snapshot of the data in the database at a given instant of time is called_____

Instance

View

Projection

Snapshot

The Primary key must be____________ and_____________

Not Null and Unique

Default and Unique

Not Null and Default

Null and Unique

In an Entity-Relationship diagram “Double Rectangles” represents

Entity

Weak Entity

Relationship

Derived Attribute

A ___ is normalized after it has been organized.

Table

Database

Colunm

Attribute

Normalizing relations or sets of relations, which minimizes ___.

Tables

Records

Redundancy

Attributs

When a relation contains an atomic value, it is a ___ relation.

1NF

2NF

3NF

BCNF

When a relation is in 2NF and there is ___, it is in 3NF.

Transition Dependency

No Transition Dependency

Relational Dependency

No Relational Dependency

Non-prime attributes cannot be transitively dependent, so the relation must have the ___ normal form.

FIRST

SECOND

THIRD

BCNF

A _________ consists of a sequence of query and/or update statements.

Transactions

Update

Commit

Rollback

In order to undo the work of transaction after last commit which one should be used?

Flashback

Revert

Redo

Rollback

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