ATTRIBUTE SAMPLE VALUE SAMPLE VALUE SAMPLE VALUE SAMPLE VALUE SAMPLE VALUE NAME INV_NUM 211347 211347 211347 211348 211349 PROD_NUM AA-E3422QW QD-300932X RU-995748G AA-E3422QW GH-778345P SALE_DATE PROD_LABEL 15-Jan-2018 15-Jan-2018 15-Jan-2018 15-Jan-2018 16-Jan-2018 Rotary sander 0.25-in. drill bit Band saw Rotary sander Power drill VEND_CODE 211 211 309 211 157 NeverFail, Inc. VEND_NAME QUANT_SOLD 1 NeverFail, Inc. BeGood, Inc. NeverFail, Inc. ToughGo, Inc. PROD_PRICE $49.95 $3.45 $39.99 $49.95 $87.75
Using the invoice table stucture do the following:
a.Write the relational schema ,draw its dependency diagram,and identy all dependencies,including all partial and transitive dependencies.You can assume that the table does not contain repeating groups and that an invoice number references more than one product.
b.Remove all partial dependencies,write the relational schema,and draw the new dependency diagrams.Identify the normal forms for each table structure you created.
c.Remove all transitive dependencies,write the relational schema,and draw the new dependency diagrams.Also identify the normal forms for each table structure you created.
d.Draw the Crow's Foot ERD.
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