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1. Identify all the candidate keys of the relation. 2. Identify all the functional dependencies in the relation. 3. Examine the determinants of the functional
1. Identify all the candidate keys of the relation.
2. Identify all the functional dependencies in the relation.
3. Examine the determinants of the functional dependencies. If any determinant is not a candidate key, the relation is not well formed. In this case:
a. Place the columns of the functional dependency in a new relation of their own.
b. Make the determinant of the functional dependency the primary key of the new relation.
c. Leave a copy of the determinant as a foreign key in the original relation.
SKU_DATA \begin{tabular}{|l|l|l|l|l|} \hline & SKU & SKU_Description & Department & Buyer \\ \hline 1 & 100100 & Std. Scuba Tank, Yellow & Water Sports & Pete Hansen \\ \hline 2 & 100200 & Std. Scuba Tank, Magenta & Water Sports & Pete Hansen \\ \hline 3 & 100300 & Std. Scuba Tank, Light Blue & Water Sports & Pete Hansen \\ \hline 4 & 100400 & Std. Scuba Tank, Dark Blue & Water Sports & Pete Hansen \\ \hline 5 & 100500 & Std. Scuba Tank, Light Green & Water Sports & Pete Hansen \\ \hline 6 & 100600 & Std. Scuba Tank, Dark Green & Water Sports & Pete Hansen \\ \hline 7 & 101100 & Dive Mask, Small Clear & Water Sports & Nancy Meyers \\ \hline 8 & 101200 & Dive Mask, Med Clear & Water Sports & Nancy Meyers \\ \hline 9 & 201000 & Half-dome Tent & Camping & Cindy Lo \\ \hline 10 & 202000 & Half-dome Tent Vestibule & Camping & Cindy Lo \\ \hline 11 & 203000 & Half-dome Tent Vestibule - Wide & Camping & Cindy Lo \\ \hline 12 & 301000 & Light Fly Climbing Hamess & Climbing & Jerry Martin \\ \hline 13 & 302000 & Locking Carabiner. Oval & Climbing & Jery Martin \\ \hline \end{tabular}Step by Step Solution
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