Question: The relational database below contains two related tables - Supplier and Product: Product table: Primary key = Prod-code, Foreign key = Supp-code Prod-code Prod -name

The relational database below contains two related tables - “Supplier” and “Product”:

“Product” table: Primary key = Prod-code, Foreign key = Supp-code

Prod-code

Prod -name

Prod -desript

Prod -stocktype

Prod -stocklevel

Prod -expireDate

Supp-code

10010

aaa

qwert

615

123445677

2017-11-14

501x

10011

bbb

asdfgg

615

234567899

2017-11-16

501x

10012

ccc

zxxcvv

234

345678900

2017-11-13

502x

10013

eee

ytuytu

234

454577777

2017-10-13

503x

10014

jjj

werewr

231

436436885

2017-10-23

503x

10015

sdg

rtyrtyry

275

676446322

2017-10-30

504x

10016

ewt

erterter

789

232317879

2017-12-30

501x

“Supplier” table: Primary key = Supp -code, No Foreign key

Supp -code

Supp -lname

Supp -fname

Supp -Initial

Supp -areacode

Supp -phone

501x

xxx

qwert

F

615

123445678

502x

yyy

asdfgg

B

615

234567890

503x

zzz

zxxcvv

X

234

345678901

  1. From the above data, what type of relationships: one-to-one, one-to-many, or many-to-many, do the above two tables have? Explain your answer or draw the entity relationship diagram for these 2 tables. (2 marks)
  2. The above database contains an error in the data. Identify and describe this error. (3 marks)
  3. Write a Query-by-example (QBE) to display the Prod-code, Prod-name, Prod-descript for those products that are supplied by supplier with Supp-code “502x”. Sort the display results by Prod-name in ascending order. Use the table below for your answers. (5 marks)


Field Table Total Sort Show Criteria Or 

Field Table Total Sort Show Criteria Or

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