Modified er diagram representing cardinalities, Software Engineering

Assignment Help:

Modified ER diagram representing cardinalities

When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Maximum cardinality is the maximum number of instances of second entity. Hence, modified ER diagram is demonstrated in Figure.

 

1810_Cardinality & Optionally.png

Modified ER diagram representing cardinalities


Related Discussions:- Modified er diagram representing cardinalities

What are the various elements of data design, What are the various elements...

What are the various elements of data design? i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dict

Define software testing, Q. Define software testing. Explain various level ...

Q. Define software testing. Explain various level of testing? Ans: Software testing- It is a process used to help identify the completeness, correctness and quality of develo

Aggregation between objects, Aggregation between objects Aggregation am...

Aggregation between objects Aggregation among objects shows a relationship. It is a whole/part relationship. Aggregation might be implying containment.

What are the advantages and disadvantages of big-bang, What are the advanta...

What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is difficult to debug.It is not easy to isolate errors whereas te

What is exception, What is Exception? Ans) An event that causes suspensi...

What is Exception? Ans) An event that causes suspension of normal program implementation. Types contain addressing exception, operation exception, data exception, overflow excep

What is defect analysis, What is Defect Analysis? Ans) Using defects as ...

What is Defect Analysis? Ans) Using defects as data for regularly quality improvement. Defect analysis usually to classify defects into categories and recognize possible causes

What is software failure, What is Software failure? Software failure hap...

What is Software failure? Software failure happens when the software does not do what the user wants to see.

Write sql code to make the changes, Assuming that all the tables have been ...

Assuming that all the tables have been created as given in the relational schema, write SQL code to make the following changes in the structure of the tables: (i) Make the empl

What is customer (end user), What is Customer (end user)? Ans) The organ...

What is Customer (end user)? Ans) The organization or individual, internal or external to the producing organization that takes the product.

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