Practice Exercises on Database Architecture
Test your understanding of this module with a few technical questions.
We'll cover the following...
We'll cover the following...
Technical Quiz
1.
Which statement best describes the difference between a schema and an instance?
A.
A schema changes every time data is updated, while an instance is fixed.
B.
A schema defines the structure of the database, while an instance is the data stored at a specific moment.
C.
A schema is a physical storage structure, while an instance is a logical view.
D.
Both schema and instance mean the same thing.
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