how to draw a telephone billing system in huge and sparse datacubes in datamining
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In an Entity-Relationship (ER) diagram for a telephone billing system, entities such as Customer, Invoice, Call, and Payment represent key components of the system. The relationships illustrate how these entities interact, like a Customer making Calls and receiving Invoices for those Calls. Attributes provide additional details, such as customer names, call durations, and payment amounts. Overall, the ER diagram helps visualize the data structure and relationships within the billing system, aiding in database design and management.
Er diagram of human resource managenent system
er diagram for rto management system
entity relationship diagram on banking system?
An ER diagram for a supermarket billing system typically includes entities such as Customer, Product, Cart, Transaction, and Payment. The Customer entity is linked to the Cart, which contains multiple Products. When a purchase is made, the Transaction entity records the details, while the Payment entity captures the payment information. Relationships between the entities indicate how customers interact with products and complete transactions.
try www.wikipedia.com which will help you for making ER - Diagram ....and copy past given link below in your browser for detailed description about ER - Diagram :http://www.infocom.cqu.edu.au/Courses/spr2000/95169/Extra_Examples/ERD.htm
e-r digram for baking 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.
E-R diagram
erd for restaurent managment and billing system
There are several different places in which an Er-Diagram can be found. Photobucket has pictures of Er-Diagrams that can be examples for a College Management System Project.