Free MCQsLearn App Download - Extended ER Features Quiz Questions and Answers PDF Download eBook p. 73
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"An abstraction through which relationships are treated as higher-level entities, is known as", extended er features Multiple Choice Questions (MCQ) with choices tabulation, aggregation, simulation, and patriotization for online computer science classes. Learn database design and er model questions and answers with free online certification courses for computer software engineer online degree.
Quiz on Extended ER Features PDF Download eBook
MCQ: An abstraction through which relationships are treated as higher-level entities, is known as
- Aggregation
- Tabulation
- Simulation
- Patriotization
A
MCQ: The special character that matches any substring, is
- %
- ?
- /
- #
A
MCQ: In a disk, the sum of the seek time and the latency is equals to the
- Response time
- Transfer time
- Access time
- Data transfer rate
C
MCQ: For locating data, sequential file organizations require an
- Random structure
- Uniform location
- Index structure
- Sequenced structure
C
MCQ: An entity set E in a relationship set R is said to be total if every entity in E participates in
- At least one relationship in R
- All relationships in R
- None relationship in R
- Few relationship in R
A