
Relational Database Quiz
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Hard
Michael Laxamana
FREE Resource
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What structure is used to store data in a relational database?
Record
Chart
Table
Report
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A primary key must be:
Optional and non-unique
Unique and not null
Always text data type
Linked to all tables
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which key connects one table to another?
Composite Key
Primary Key
Foreign Key
Alternate Key
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a foreign key used for?
To store index values
To link two tables
To delete duplicate rows
To rename tables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The NULL value in a relational database means:
A number
A string
Unknown or missing value
Zero
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a composite key?
A primary key with one field
A foreign key
A key made of multiple fields
A system-defined key
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which rule ensures every record has a unique identifier?
Referential Integrity
Entity Integrity
View Updating
Physical Independence
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