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Eduardwww [97]
2 years ago
9

List three types of cardinalities for relationships within a relational database.

Computers and Technology
1 answer:
Afina-wow [57]2 years ago
3 0
This is about identifiers in a record referring to other records.
You can have many to one, one to one, many to many.

E.g., if you have two tables, Authors and Books, then a book record could have a reference to an author record. Since an author can write many books, this would be a many-to-one relationship.


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Answer: Synchronization

Explanation:

In communication of messages between processes we have a mechanism called as the interprocess communication (IPC) using which it is required to achieve synchronization between the process. These synchronization helps to prevent collision of the processes for the shared resources. Examples can be of mechanism of producer consumer problem .

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3 years ago
What are the main dimensions of information system and their components
nydimaria [60]

Answer:

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A presentation has bullet points that move. The presenter wants to use these bullet points in several other places in the presen
goldenfox [79]

Answer: Animation Painter.

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6 0
3 years ago
When would it be necessary to edit the information shown on an electronic business card?
Goryan [66]

Answer:

Really depends on your situation. If you specified, I'd have an asnwer

3 0
3 years ago
Read 2 more answers
A college team's BCS football ranking is comprised of three elements:1) the Harris Poll score, 2) the Coaches Poll score, and 3)
artcher [175]

Answer:

harris_poll_ranking = int(input("Enter team's Harris Poll ranking [1 - 2,850]: "))

coaches_poll_ranking = int(input("Enter team's Coaches Poll ranking [1 - 1,475]: "))

computer_ranking  = float(input("Enter team's computer ranking  [0 - 1]: "))

harris_poll_score = harris_poll_ranking / 2850

coaches_poll_score = coaches_poll_ranking / 1475

bcs_score = harris_poll_score / 3 + coaches_poll_score / 3 + computer_ranking / 3

print(bcs_score)

Explanation:

*The code is in Python.

Ask the user to enter the  harris_poll_ranking as int, coaches_poll_ranking as int and computer_ranking as float

Calculate the harris_poll_score, divide the harris_poll_ranking by 2850

Calculate the coaches_poll_score, divide the coaches_poll_ranking by 1475

Calculate the bcs_score, harris_poll_score, coaches_poll_score and computer_ranking by 3 and sum them

Print the bcs_score

6 0
3 years ago
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