Maurice Tutor

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Expertise:
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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 15 Sep 2017 My Price 8.00

multiple projects

3.58 Consider the table:

STAFF_MEETING (EmployeeName, ProjectName, Date)

The rows of this table record the fact that an employee from a particular project

attended a meeting on a given date. Assume that a project meets at most once per day.

Also, assume that only one employee represents a given project, but that employees

can be assigned to multiple projects.

A. State the functional dependencies in STAFF_MEETING.

B. Transform this table into one or more tables in BCNF. State the primary keys,

candidate keys, foreign keys, and referential integrity constraints.

C. Is your design in part B an improvement over the original table? What advantages

and disadvantages does it have?

3.59 Consider the table:

STUDENT (StudentNumber, StudentName, Dorm, RoomType, DormCost, Club,

ClubCost, Sibling, Nickname)

Assume that students pay different dorm costs, depending on the type of room they

have, but that all members of a club pay the same cost. Assume that students can have

multiple nicknames.

A. State any multivalued dependencies in STUDENT.

B. State the functional dependencies in STUDENT.

C. Transform this table into two or more tables such that each table is in BCNF and in

4NF. State the primary keys, candidate keys, foreign keys, and referential integrity

constraints.

Answers

Maurice Tutor
(5)
Status NEW Posted 15 Sep 2017 09:09 PM My Price 8.00

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