Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 22 Sep 2017 My Price 7.00

manufacturers in terms

Using the commands SELECT, PROJECT, and JOIN, write a sequence of instructions to answer each of the following questions about parts and their manufacturers in terms of the following database:

PART relation

Part Name

Weight

Bolt 2X

1

Bolt 2Z

1.5

Nut V5

0.5

MANUFACTURER relation

Company Name

Part Name

Cost

Company X

Bolt 2Z

0.03

Company X

Nut V5

0.01

Company Y

Bolt 2X

0.02

Company Y

Nut V5

0.01

Company Y

Bolt 2Z

0.04

Company Z

Nut V5

0.01

a. Which companies make Bolt 2Z?

b. Obtain a list of the parts made by Company X along with each part’s cost.

c. Which companies make a part with weight 1?

Answers

Maurice Tutor
(5)
Status NEW Posted 22 Sep 2017 11:09 PM My Price 7.00

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