Description of this paper

PROJECT QUESTIONS 3.58 and 3.59

Description

solution


Question

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.

 

Paper#70754 | Written in 18-Jul-2015

Price : $27
SiteLock