Modeling Beginner Quiz 1
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Quiz 1
1. What is a data model?
Visual layout of structures
Raw storage application software
Specific targeted database query
2. Which model is the most high-level and business-oriented?
Physical Data Model
Conceptual Data Model
Logical Data Model
3. What is an entity in data modeling?
Application framework extension
Internal cryptographic mechanism
Tracked person place thing
4. What is a primary key?
Unique singular record identifier
Initial structural table column
Restricted database system password
5. Which relationship describes one manager overseeing many employees?
One-to-one
One-to-many
Many-to-many
6. What is an attribute?
Total engine processing speed
Inter-server network routing path
Distinct entity property characteristic
7. What is the primary goal of Normalization?
Minimizing duplication and dependency
Expanding storage file boundaries
Automating historical record purging
8. A foreign key is used to:
Block perimeter security threats
Connect independent tables together
Accelerate complex mathematical sorting
9. What does the Physical Data Model include that the Logical Model doesn't?
High-level business names
Basic relationship assignments
Engine-specific types indexes
10. In a 1:1 relationship:
Single unique matching row pairing
Uniform total record table balance
Complete cross-join mapping prevention
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