Explain the cardinality and optionally, Software Engineering

Assignment Help:

Cardinality & Optionally

Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.

 

1632_Cardinality & Optionally.png


Related Discussions:- Explain the cardinality and optionally

What is an update task, What is an update task? It is an SAP given proc...

What is an update task? It is an SAP given procedure for updating a database.

What is failure-directed testing, What is Failure-directed Testing Ans) ...

What is Failure-directed Testing Ans) Testing based on the information of the types of errors made in the earlier period that are likely for the system under test.

Explain path testing, Testing to satisfy coverage criteria that every logic...

Testing to satisfy coverage criteria that every logical path by the program be tested. Often paths by the program are grouped into a finite set of classes. Single path from every c

Define brooks law, Define Brooks law. Software was delivered late, was ...

Define Brooks law. Software was delivered late, was not reliable, cost various times the original estimates and often exhibited poor performance characteristics.

Explain compatibility testing, Compatibility testing is testing how well so...

Compatibility testing is testing how well software performs in a certain operating system,hardware, software, or network environment.

What are quality reviews, What are Quality reviews? This is the princip...

What are Quality reviews? This is the principal method of validating the quality of a process or of a product. A group examines part or all of a process or system and its do

Operation of the clue-less system, A player with an active turn must make a...

A player with an active turn must make a valid move with their character or pass their turn. As a first move in the game, the player can move to the hallway that is adjacent to the

System analyst, Explain the role and functions of a Systems Analyst in the ...

Explain the role and functions of a Systems Analyst in the overall project development.

Objectives of data dictionaries, Objectives of Data dictionaries:- 1)  ...

Objectives of Data dictionaries:- 1)  A standard definition of all terms in a system, that is every item of data is uniquely identified and described. 2)  Easy cross-referen

Why we need restructuring techniques, Q. Why we need restructuring techniqu...

Q. Why we need restructuring techniques? The restructuring helps in maintaining a program in the following ways: (a) Programs have higher excellence better documentation l

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd