
데이터베이스 시스템 퀴즈
Authored by Satwinder Kaur
Other
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a database system?
Data storage
Data analysis
Data visualization
Data transmission
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the basic components of a relational database?
Server
Cloud
File
Table
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the command to insert data in SQL?
SELECT
DELETE
INSERT
UPDATE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What database design principle does the Boyce-Codd Normal Form correspond to?
Integrity constraints
Normalization
Data manipulation
Data modeling
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the pitfalls to avoid in relational database design?
Data redundancy
Denormalization
Normalization
Data integrity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary key in a relational database?
A database table
A unique identifier for a record
A foreign key reference
A type of data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which SQL command is used to update existing records?
INSERT
UPDATE
ALTER
SELECT
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