
Understanding Database Design Concepts
Authored by Raymond Radebe
Information Technology (IT)
University
Used 5+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a database?
A database is a physical storage device for computers.
A database is an organized collection of data that can be easily accessed, managed, and updated.
A database is a type of software used for web development.
A database is a programming language for data manipulation.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main components of a database?
The main components of a database are DBMS, data models, schemas, tables, and relationships.
Data warehouses
Cloud storage services
Network protocols
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the term 'entity' in the context of databases.
An entity is a type of database management system.
An entity refers to a database query.
An entity is a method for data retrieval.
An entity is a distinct object or thing in a database that has attributes and can be identified.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an attribute in database design?
An attribute is a type of database query.
An attribute is a method for data retrieval.
An attribute is a database table that stores records.
An attribute is a property or characteristic of an entity in a database.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain what an instance is in a database.
An instance refers to the database server itself.
An instance is a specific realization of a database schema, containing actual data.
An instance is a backup of a database schema.
An instance is a type of database query.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Barker's notation used for?
Barker's notation is used for web development.
Barker's notation is used for programming languages.
Barker's notation is used for graphic design.
Barker's notation is used for data modeling and database design.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List two advantages of using a database over a flat file system.
Increased storage costs.
Limited data sharing capabilities.
Simplified data backup processes.
1. Improved data integrity and consistency. 2. Enhanced data retrieval and manipulation efficiency.
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