Database Views Trivia Questions and Answers PDF Download eBook p. 35
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"A view is updatable, if the Select clause does not have any", database views Multiple Choice Questions (MCQ) with choices aggregates, expressions, distinct specification, and all of the above for online computer science degrees. Learn sql concepts and queries questions and answers with free online certification courses for free online classes.
Database Views Questions and Answers PDF Download eBook
MCQ: A view is updatable, if the Select clause does not have any
- Expressions
- Aggregates
- Distinct specification
- All of the Above
D
MCQ: SQL provides a way of renaming the attributes of a result relation, taking the form
- old-name to new-name
- old-name as new-name
- ALTER old-name to new-name
- ALTER old-name at new-name
B
MCQ: The schema for relation r, with 'R' denoting the set of attributes, can be expressed by the notation
- r
- R
- r(R)
- R (r)
C
MCQ: The pass that determines which transactions to undo is known as
- Redo pass
- Analysis pass
- Undo pass
- Logical pass
B
MCQ: The Data model that is widely used in the database design is
- Object-based Data model
- Relational Model
- Semi-structured data model
- Entity relationship model
D