0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
An ER diagram for a website?
I 'm need ER diagram for websit news
What is an ER Diagram for a college system?
An ER diagram for a college system is an entity relationship diagram that is used to identify the entities of the college system and what those entities expect from the system. Examples of entities to include are students, financial aid, registers, and professors.
Using foreign key on ER diagram?
Foreign keys isnt drawn at a ER-diagram. The relation drawn between entities is enough to show, that der is at foreign key
ER diagram of project online voting system?
a department employs many employees
What is er model in dbms?
In software engineering, an Entity - Relationship model(ER model for short) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational database, and its requirements in a top-down fashion. Diagrams created by this process are called entity-relationship diagrams or ER diagrams.learn more www.ngprakasam.hpage.com
What is significance of ER diagram?
This will depend on what you mean by ER diagram. This could be an entity relationship diagram that shows how to maximize your business intelligence.
Er diagram for hospital management system?
An ER diagram is an entity-relationship diagram they show individuals and their links to each other. An ER diagram for a hospital management system would be a flow chart showing hospital staff, equipment, patients, records and more.
ER diagram for a banking system?
entity relationship diagram on banking system?
How do you convert an entity relationship diagram to a table?
converting er diagram to table in dbms?
How E R diagram attributes are represented?
ER diagram stands for Entity relation diagram. There are two main components in a ER diagram one is the entity like (students) and their attributes like (name , rollno) and the relationship between different entitites.
What isn the Er diagram of library management?
i need a entity relationship diagram of a small library
What is entity relationship diagram for travel agency?
er travel agent؟
What is the significance of the diagram?
This will depend on what you mean by ER diagram. This could be an entity relationship diagram that shows how to maximize your business intelligence.
What is aggregation in ER diagram?
-Used when we have to model a relationship involving (entitity sets and) a relationship set.-Aggregationallows us to treat a relationship set as an entity set for purposes of participation in (other) relationships.
Symbols used in entity relationship diagram?
ER diagrams often use symbols to represent three different types of information. Boxes are commonly used to represent entities. Diamonds are normally used to represent relationships and ovals are used to represent attributes.
Aggregation in dbms?
•A feature of the entity relationship model that allows a relationship set to participate in another relationship set. • • This is indicated on an ER diagram by drawing a dashed box around the aggregation.
What are the benefits of using ER diagrams?
ER diagrame shows the relationship among entities.
