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Design a generalization-specialization hierarchy for a motor-vehicle sales company.
The company sells motorcycles, passenger cars, vans, and buses. Justify your placement of attributes at each level of the hierarchy. Explain why they should not be placed at a higher or lower level.
Why are labor operations and labor types often tracked in the conversion process but usually not tracked in the revenue process?
List the functional dependencies for the normalized relation(s). Is this relation in at least 3rd normal form? Explain your reasoning.
Create a two-way data table to show how market share and unit price affect total profit. Let you market share change from 20% to 50% with an increment of 1%.
Mr Sev N O'Nine, your manager, has set up the following tasks for you to complete for this phase of the project: Create a Database and import the four (4) Text files into four (4) Tables, Modify Table Design and Set Primary Keys
Create at least three examples of common relationships that are used within a relational database system. Justify your response.
problem 1- customers with certain list patternsnbspproblem descriptionnbsp you are provided with four tables in
Books Ga'Lore! sells books. When a customer makes a credit card purchase at their retail outlet, an employee totals the items.
1. what is meant by data independence? explain your answer.2. identify two benefits of separating application software
Research and provide two to three pages covering the following: How do you decide on how a specification for a field will be determined? Why do you select a specific field type? Why are field values coded or compressed
Recommend the actions that should be performed in order to optimize record selections and to improve database performance from a quantitative data quality assessment
MGMT321 Group Project: Create the following documents for the proposed system and deliver each SDLC documents by the end of each designated module, as shown below
digitalx has been operating a chain of retail stores selling cds dvds and games for a number of years. recently they
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