
U2 Database Design Flashcards - Part A
Flashcard
•
Computers
•
11th Grade
•
Practice Problem
•
Easy
Perry de Caux
Used 1+ times
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25 questions
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1.
FLASHCARD QUESTION
Front
What is the significance of normalisation in database design?
Back
Normalisation helps to minimise data duplication and enables data integrity.
2.
FLASHCARD QUESTION
Front
What is the recommended first step before creating tables in a database?
Back
Design your tables in Word first.
3.
FLASHCARD QUESTION
Front
What is a composite key in database design?
Back
A composite key is composed of multiple fields and should be unique to meet the requirement of a Primary key.
4.
FLASHCARD QUESTION
Front
When designing relationships, what type is most commonly used?
Back
One-to-many relationship.
5.
FLASHCARD QUESTION
Front
When would you use a one-to-one relationship?
Back
When each record in Table A relates to only one record in Table B and vice versa.
6.
FLASHCARD QUESTION
Front
What file format should you use to save your relationship screenshot?
Back
PDF using ‘Microsoft Print to PDF’, named activity1.
7.
FLASHCARD QUESTION
Front
What is a better way to ensure a presence check than just setting "Required" to "Yes"?
Back
Use "Validation Rule" = "Is not null" with a helpful "Validation Text" message.
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