Question: (a) Using the INVOICE table structure given below, do the following questions Attribute Name Sample Value Sample Value Sample Value Sample Value Sample Value INV_NUM

(a) Using the INVOICE table structure given below, do the following

(a) Using the INVOICE table structure given below, do the following questions Attribute Name Sample Value Sample Value Sample Value Sample Value Sample Value INV_NUM 211347 211347 211347 211348 211349 PROD NUM AA-E34220W D-300932X RU-995748G AA-E34220W GH-778345P SALE DATE 15-Jan-2010 15-Jan-2010 15-Jan-2010 15-Jan-2010 16-Jan-2010 PROD_LABEL Rotary sander 0.25-in. drill Band saw Rotary sander Power drill bit VEND CODE 211 211 309 211 157 VEND NAME NeverFail, Inc. NeverFail, Inc. BeGood, Inc. NeverFail, Inc. ToughGo, Inc. QUANT_SOLD 1 8 1 2 1 PROD PRICE $49.95 $3.45 $39.99 $49.95 $87.75 i) Draw the dependency diagram and identify all the dependencies ii) Create a database whose tables are in 2NF, showing dependency diagram for each table iii) Create a database whose tables are in 3NF, showing dependency diagram for each table. iv) Give the relational schema for the final tables

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