Write the relational schema, draw its dependency diagram and identify all deper all partial and transitive dependencies. You can assume that the table does not groups and that any invoice number may reference more than one product. (Hin composite primary key.)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Attribute Name Sample Value Sample Value Sample Value Sample Value Sample Value
INV_NUM
211347
211347
211347
211348
211349
PROD_NUM
SALE_DATE
PROD LABEL
AA-E3422QW
15-Jan-2018
Rotary sander
211
QD-300932X
RU-995748G
15-Jan-2018 15-Jan-2018
0.25-in. drill Band saw
211
309
VEND_CODE
VEND_NAME NeverFail, Inc. NeverFail, Inc. BeGood, Inc.
QUANT_SOLD
1
1
PROD_PRICE $49.95
$39.99
8
$3.45
AA-E3422QW GH-778345P
15-Jan-2018
16-Jan-2018
Rotary sander
211
NeverFail, Inc. ToughGo, Inc.
2
Power drill
157
$49.95
1
$87.75
a) Write the relational schema, draw its dependency diagram and identify all dependencies, including
all partial and transitive dependencies. You can assume that the table does not contain repeating
groups and that any invoice number may reference more than one product. (Hint: This table uses a
composite primary key.)
Transcribed Image Text:Attribute Name Sample Value Sample Value Sample Value Sample Value Sample Value INV_NUM 211347 211347 211347 211348 211349 PROD_NUM SALE_DATE PROD LABEL AA-E3422QW 15-Jan-2018 Rotary sander 211 QD-300932X RU-995748G 15-Jan-2018 15-Jan-2018 0.25-in. drill Band saw 211 309 VEND_CODE VEND_NAME NeverFail, Inc. NeverFail, Inc. BeGood, Inc. QUANT_SOLD 1 1 PROD_PRICE $49.95 $39.99 8 $3.45 AA-E3422QW GH-778345P 15-Jan-2018 16-Jan-2018 Rotary sander 211 NeverFail, Inc. ToughGo, Inc. 2 Power drill 157 $49.95 1 $87.75 a) Write the relational schema, draw its dependency diagram and identify all dependencies, including all partial and transitive dependencies. You can assume that the table does not contain repeating groups and that any invoice number may reference more than one product. (Hint: This table uses a composite primary key.)
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