subject
Computers and Technology, 15.03.2022 23:50 dai77

For maximum cardinality we are most interested in either 1 or many or (1/M), because maximum cardinality defines the types of relationships. For minimum cardinality we are most interested in either 0 or 1 or (0/1), because minimum cardinality defines if the relationship is mandatary or optional. Quite often the maximum cardinality is clear. But minimum cardinality is based on the context or business rules. If we examine the cardinality from student to course. a. What would you say is the maximum cardinality?
b. What would you say is the minimum cardinality?
c. What does it imply/require if you choose the minimum cardinality to be 0 or 1? Explain.

ansver
Answers: 2

Other questions on the subject: Computers and Technology

image
Computers and Technology, 22.06.2019 12:10, tragesserj
1. declare a constant named cents_per_pound and initialize with 25. 2. get the shipping weight from user input storing the weight into shipweightpounds. 3. using flat_fee_cents and cents_per_pound constants, assign shipcostcents with the cost of shipping a package weighing shipweightpounds.
Answers: 2
image
Computers and Technology, 22.06.2019 19:20, mayaparness
Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.
Answers: 2
image
Computers and Technology, 23.06.2019 07:50, kmart4062
Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2
Answers: 3
image
Computers and Technology, 23.06.2019 15:30, yanicas
Hey so i was just trying out some game hacks so i took a paste from online and built it in my visual studio and then suddenly my computer was working or clicking on stuff on its own am i hacked?
Answers: 1
You know the right answer?
For maximum cardinality we are most interested in either 1 or many or (1/M), because maximum cardina...

Questions in other subjects:

Konu
History, 17.11.2020 01:00
Konu
History, 17.11.2020 01:00
Konu
Mathematics, 17.11.2020 01:00