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Assignment Instructions: Business Intelligence
You have been hired as a consultant for a small retail company that sells widgets online. The company is interested in learning how to use their data to improve their business. They have asked you to write a business case (search term business case template) to explain the justification for implementing a database management system to improve business intelligence within the company.
Within your business case, begin by explaining business intelligence. Then explain data management and how a database management system can facilitate business intelligence. You should also explain the benefits that the company will experience with the system.
Next, consider the design of the system. Begin by describing the data entities, attributes and keys. For instance, a data entity may be Customer. Attributes of customer may include name and address. The key may be a uniquely assigned customer number. You should have at least five data entities in your database. Create an entity-relationship diagram showing the relationship between the entities (YouTube search term: entity relationship diagram tutorial). Create a relational database model to describe the data.
Explain the difference between the > and > relationships in use case diagrams?
Analyse the Case Study documents and produce an initial high level functional requirements specification. Document these requirements with.
Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to store Employee_Name, Employee_Address, and Employee_BirthDate in the dat..
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
the fourth programming project involves writing a program to manage a student database. the interface to the program
What are the responsibilities of a DBA? If we assume that the DBA is never interested in running his or her own queries, does the DBA still need to understand query optimization? Why?
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Choose a model (star, snowflake or constellation) and discuss why it is an appropriate choice.
In your role as the database administrator for X-Tex, a small but successful company that designs and manufactures high tech fabrics, you have been asked to help optimize a query that will provide a dynamic view of your supply chain
Imagine you are a senior systems administrator who has recently been given the task to help improve security of your company's IT infrastructure after a series of network security breaches.
Case Study based on an Interview contained in a separate document (Please see the details in page 221 of your text book). Carefully read this case study. You are required to answer the following questions based on the Case Study.
What are the advantages and disadvantages of front-end and back-end validation and in which specific situations would one technique of validation be preferred over the other?
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