
Relational Database Quiz
Authored by NOR (PBU)
Information Technology (IT)
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the CORRECT component of relational database structural terminology.
Domain
Procedure
End User
Database administrator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify a key to represent the relationship between relations.
Secondary key
Primary key
Foreign key
Super key
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the CORRECT symbol of PROJECT in Relational Algebra.
𝜋
∩
χ
𝜎
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the INCORRECT relational algebra operator to retrieve information.
Join
Cross product
Foreign key
Project
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the CORRECT symbol of Restrict in Relational Algebra.
∩
σ
Π
χ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the information in Figure 1, choose the CORRECT relational algebra expression.
𝜋 First_name, address (LECTURER)
𝜎 First_name, address (LECTURER)
First_name, address (𝜎 LECTURER)
𝜋 First_name, address (𝜋 LECTURER)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the entity which most likely contains INVALID attributes.
Entity: Student Attributes: Name, StudentID, Course, Major
Entity: Pet Attributes: Class, Subject, Owner, CGPA
Entity: Home Attributes: Owner, Address, House Type, DateBuilt
Entity: Product Attributes: Manufacturer, dateProduce, Brand, Flavor
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