A-Level Comp Sci 9618 Databases
Authored by Mykhailo Shapkin
Computers
9th - 12th Grade
Used 22+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limitation of using a file-based approach for the storage and retrieval of data?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which feature of a relational database addresses the limitations of a file-based approach?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of an entity-relationship (E-R) diagram?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term refers to the process of organizing a database to minimize redundancy and improve data integrity?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Third Normal Form (3NF) ensure in a database?
No non-key dependencies
No partial dependencies
No multivalued dependencies
No duplicate data
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a primary key in a relational database?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a foreign key in a relational database?
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