Description
Review the materials you have, describing the information to be captured and the overall project.
Create an Entity-Relationship diagram for the information you will need. Be sure to clearly name the entities and the relationships. Include and indicate the primary key attributes, as well as any foreign keys, or other attributes implied by the materials. Determine and indicate the cardinality of each relationship.
Provide a normalized version of the diagram in at least Third Normal Form.
Explain the reason for any model changes you made as part of the normalization. Specify how entities, relationships, and their attributes will be represented. Consider the common and urgent activities that will access this information.
Explain where you might use denormalization, indexing, or other techniques to improve performance for these operations, and why.
Combine all items and submit in a 1- to 2-page APA formatted paper.
Explanation & Answer
Attached.
Running head: ENTITY RELATIONSHIP
Entity Relationship Diagram
Student’s Name
Institutional Affiliation
1
ENTITY RELATIONSHIP
2
Entity Relationship Diagram
Worth a note, entity relationship entails a graphical organization of various entities and
their association with each other commonly used different computation that regards
organizational information (Thalheim, 2013). The chart below reveals the entity relationship for
Smallton Rural Telephone Cooperative project to distribute internet and video to the clients on
the network.
Smallton Rural Telephone Entity Relationship Diagram
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Video
Customers
Database
Orders
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