
DATABASE MANAGEMENT FINAL EXAM PART 1
Quiz
•
Instructional Technology
•
University
•
Practice Problem
•
Hard
JONARD LOPEZ
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which key uniquely identifies each row in a table and must not contain null values?
Candidate Key
Primary Key
Composite Key
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of key consists of more than one column?
Primary Key
Composite Key
Foreign Key
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which key references the primary key of another table to establish a link between data sets?
Candidate Key
Foreign Key
Composite Key
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for a minimal set of attributes that uniquely identifies each row in a table?
Super Key
Alternate Key
Candidate Key
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denormalization primarily aims to improve what aspect of a database?
Data Integrity
Query Performance
Storage Efficiency
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which key is another candidate key that was not chosen as the primary key?
Super Key
Alternate Key
Composite Key
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which normalization form eliminates partial dependencies?
First Normal Form (1NF)
Second Normal Form (2NF)
Third Normal Form (3NF)
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