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Database Views MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Any relation that is not part of the logical model, but is made visible to a user as a; "Database Views" App Download [Free] with answers: natural relation, absolute relation, virtual relation, and linear relation for online software engineering classes. Practice Database Views Quiz Questions, download Apple e-Book (Free Sample) for top computer science schools.
Database Views Questions and Answers PDF Download
Any relation that is not part of the logical model, but is made visible to a user as a
- Natural relation
- Absolute relation
- Virtual relation
- Linear relation
A view is updatable, if the clause does not have any expression, aggregation and distinct specifications, i.e.
- Define clause
- Where clause
- Select clause
- Having clause
The view relation is created whenever
- Needed
- Demanded
- Both A and B
- Stored
A view is updatable, if the Select clause does not have any
- Expressions
- Aggregates
- Distinct specification
- All of the Above
SQL does not define a standard way of specifying that a view is
- Materialized
- Not materialized
- Stored
- Not stored
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