Database Questions and Answers – Querying Database – 4

This set of Database Questions and Answers for Experienced people focuses on ” Querying database part – 4″.

1. Which s essential a business problem not a data problem:
a) Data
b) Database
c) Database design
d) All of the mentioned
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2. Which is primarily the result of a thorough understanding of information about an enterprise:
a) Data
b) Database
c) Database design
d) Data modeling
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3. McFadden has defined normalization in his which book___________
a) Database modern management
b) Management database of modern
c) Modern database management
d) Database management
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4. The database design prevents some data from being represented due to _______
a) Deletion anomalies
b) Insertion anomalies
c) Update anomaly
d) None of the mentioned
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5. How many types of insertion anomalies:
a) 1
b) 2
c) 3
d) 4
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6. Who developed the normalization process:
a) E.F. codd
b) F.F. codd
c) E.E. codd
d) None of the mentioned
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7. E.F.Codd developed the normalization process in the which early:
a) 1969
b) 1970
c) 1971
d) 1972
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8. Which is a bottom-up approach to database design that design by examining the relationship between attributes:
a) Functional dependency
b) Database modeling
c) Normalization
d) Decomposition
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9. Which is the process of breaking a relation into multiple relations:
a) Functional dependency
b) Database modeling
c) Normalization
d) Decomposition
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10. Which formal method that locates and analyses relation schemas on the basis of their primary, candidate keys, and the FD’s that are present among the attributes of these schemas:
a) Functional dependency
b) Database modeling
c) Normalization
d) Decomposition
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Sanfoundry Global Education & Learning Series – Database Management System.