
Database Concepts Quiz
Authored by Vincent Eze
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8th Grade
Used 2+ times

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59 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of a data model?
To program data
To organize and structure data
To create hardware
To analyze data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is not a type of data model?
Flat
Hierarchical
Neural
Star Schema
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Normalization reduces:
Data redundancy
System speed
Storage space
Data hierarchy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An index is a:
Copy of a database table in sorted form
Table of contents
Program file
Backup file
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A clustered index organizes data by:
Random order
Search key field
Alphabetical order
Last modified date
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sparse indexes:
Contain entries for every search key
Use pointers for groups of records
Duplicate records
Sort data by multiple fields
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The goal of data security is to ensure:
Faster systems
Privacy and protection
Network stability
Cost reduction
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