Which of the following is a key principle of database design?
Understanding Database Normalisation Concepts

Quiz
•
Computers
•
11th Grade
•
Medium
Connor KELLY
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ensuring data redundancy
Ensuring data integrity
Maximising data duplication
Minimising data access
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an Entity-Relationship Model, what does an entity represent?
A unique attribute
A real-world object or concept
A database table
A relationship between tables
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which normal form eliminates partial dependencies?
First Normal Form (1NF)
Second Normal Form (2NF)
Third Normal Form (3NF)
Boyce-Codd Normal Form (BCNF)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a technique used in database normalisation?
Data encryption
Data denormalisation
Data partitioning
Data decomposition
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the requirement for a table to be in First Normal Form (1NF)?
No repeating groups or arrays
No partial dependencies
No transitive dependencies
No foreign keys
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true for a table in Second Normal Form (2NF)?
It has no repeating groups
It has no partial dependencies
It has no transitive dependencies
It has no foreign keys
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a relational database?
A database that stores data in a hierarchical format
A database that stores data in a network format
A database that stores data in tables with relationships
A database that stores data in a flat file
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