Course Solutions Uncategorized (Solved) : 4 Discuss Phases Database Design Omarks B Consider Following Relation Software Packages 9m Q32646244 . . . .

(Solved) : 4 Discuss Phases Database Design Omarks B Consider Following Relation Software Packages 9m Q32646244 . . . .

 

4) a) Discuss the phases of database design. (Omarks) b) Consider the following relation SOFTWARE PACKAGES (9marks) Type DBMS SDBMS SDBMS Browser Browser E-learning educational Package Access OracleSpatial OracleSpatial Chrome Chrome eLP ABC Company Microsoft Oracle Oracle Google Google eLearn Edu Version Year 2013 2015 2015 2015 2016 2014 2016 The key for SOFTWARE PACKAGES is composed of attributes Package and Version. Answer the following questions (motivate your answers) Is the functional dependency Package ->Company, Type verified by this relation? * Express the functional dependency associated with the key for SOFTWARE PACKAGES Is the relation in Boyce-Codd normal form? c) Provide the Provide the precise definition of Third normal form. (7marks)

4)

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