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Explain why normalization is important.
When is it important to denormalize a database? Can you provide an example/examples?
What is denormalization, and why can it be desirable? Provide an example.
Design an E-R model for this database. You will have to make decisions about attributes and keys. If you don't think it is clear what your attributes mean then provide some notes and assumptions to go with your design.
Describe the data obtained through the observations. Charts, diagrams, or other visual depictions of your data may be included.
Explain the fundamentals of how data is physically stored and accessed and compose conceptual data modeling techniques that capture information requirements - design a relational database so that it is at least in 3NF.
What is a data warehouse and why is REI building one and What are some of the risks or concerns surrounding the creation of a data warehouse
What generalizations apply across the cases? ?What do you find most interesting in the failure stories? ?Do they provide any insights about how a failure might be avoided
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creating a database and then adding to it a foreign key constraint
Composite and multi-valued attributes can be nested to any number of levels.
complete the following steps to create a procedure to calculate the tax on an order. the bbtax table contains the
Researching the concepts and technology of data ETL (Extraction, Transformation&Loading) and document the process from start to finish using Microsoft SSIS (SQL Server Integration Services) as the basis of your study. could you tell me the indepth..
Write a SELECT statement that returns these columns from the Orders table
Create a matrix report showing territory sales totals by year and quarter. Provide an interpretation of the results. The interpretation must be a minimum of one paragraph (3 to 5 well-formed sentences) with no spelling or grammatical errors. Based..
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