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

Database definition - micro cds/isis application, Database Definition: ...

Database Definition: There are four basic steps involved in defining a database. They are:  i)  Creating a Field Definition Table (FDT) : The possible content of data recor

Mobile application, we got the code for mobile app we need a document for t...

we got the code for mobile app we need a document for that

Define data dictionary, Define Data Dictionary. The data dictionary is ...

Define Data Dictionary. The data dictionary is defined as an organized collection of all the data elements of the system with accurate and rigorous definitions so that user and

What is the use of user interface prototyping, What is the use of User Inte...

What is the use of User Interface prototyping? This prototyping is used to pre-specify the look and feel of user interface in an effective way.

Explain the term in brief-test script and test specification, Explain the t...

Explain the term in brief- Test Script and Test Specification: Test Script: - It is generally used to refer to instructions for a particular test which will be carried out

What is a vertical microinstruction, What is a vertical microinstruction? ...

What is a vertical microinstruction? Ans) A vertical microinstruction is a microinstruction that states one of a sequence of operations required to carry out a machine language

Explain the data flow diagram, Define Data Flow Diagram. A Data flow di...

Define Data Flow Diagram. A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output. T

Advantages and disadvantages of size measure, What are the advantages and d...

What are the advantages and disadvantages of size measure? Advantages: Artifact of software development which is simply counted. Many existing methods use LOC as a key input. A

What are the benefits of prototyping, What are the benefits of prototyping?...

What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained

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