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Yanka [14]
3 years ago
9

Describe how you would define the relation Brother-in-Law whose tuples have the form (x, y) with x being the brother-in-law of y

. b. Give appropriate relational algebra and SQL expressions that return the relation Brother-in-Law.
Computers and Technology
1 answer:
damaskus [11]3 years ago
8 0

Answer:

The expression is :

π[cd) + π(g,h) ],[π(e,f)+π(a,b)])

We will use foreign key and primary key

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lukranit [14]

Answer:

 The main difference between the technical communication and the other different kinds of communication is that as follow:

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  • The content of the technical conversation should be in proper and systematic format and in general communication there is no such formatting required.
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3 0
3 years ago
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kogti [31]

Explanation:

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3. (i) open the start menu

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8 0
3 years ago
Original Source Material
Deffense [45]

Answer:

b. Paraphrasing plagiarism

Explanation:

-Word-for-Word plagiarism  refers to copying words from someone else as your own.

b. Paraphrasing plagiarism refers to copying an idea from someone else making small changes without giving credit to the owner.

As the student paraphrased but didn't include the proper reference, this is paraphrasing plagiarism.

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pshichka [43]

Answer:

a-true

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3 0
3 years ago
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Umnica [9.8K]

Answer: Inheritance

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