Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Accounting Posted 11 Aug 2017 My Price 3.00

modification anomalies.

1.Discuss insertion, deletion, and modification anomalies. Why are they considered bad? Illustrate with examples.

2.Why are many nulls in a relation considered bad?

3.Discuss the problem of spurious tuples and how we may prevent it.

4.State the informal guidelines for relation schema design that we discussed. Illustrate how violation of these guidelines may be harmful.

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Maurice Tutor
(5)
Status NEW Posted 11 Aug 2017 12:08 AM My Price 3.00

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