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Conceptual view of a data warehouse
Design a high-level conceptual view of a data warehouse (DW) for Huffman Trucking using Microsoft Visio that shows the following:
a) Integration layers
b) The data warehouse, with a Star Schema showing a Fact table and various dimension tables with all their needed fields and relationships, as covered in the class material.
c) Recommended data marts
Include arrows to show ETL (extract, transform, and load) locations and direction, and paste a screen shot of the above Visio Star schema along with the DW description in a Word document.
Covert the Extended Entity Relationship Diagram (EERD) for Orthopedic Alliance of Plano (OAP) described in assignment one to relations. See Lecture 5, slide 22 for relational schema.
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
Write an SQL query to find out how many Computer Science departments are not in Victoria. Return the number - Discuss likely data integrity constraints on attributes and specify all candidate keys and the primary key for each relation based on the..
imagine that you work for a finance industry-based organization. your organization is looking to submit its database
You subsequently realize that updates to these relations are frequent. Because indexes incur a high overhead, can you think of a way to improve performance on these queries without using indexes?
A few years have passed, and the restaurant has grown to become a national restaurant chain. Now, they are concerned that remote and branch offices and restaurants in all fifty states will not have ready access to the data.
it is not essential to give violations which have more than one attribute on right side. Decompose the relation, as essential, into collection of relations which are in BCNF.
Write the application for university admissions office. Prompt user for a student's High School Grade Point and an admission test score.
What is the key for R? Decompose R into 2NF, then 3NF relations and what you know about the relation to show that this MD cannot violate 4NF
Suppose that your database system has very ine?cient implementations of index structures. What kind of a design would you try in this case?
Assignment on Application Using Database Tools and Interactive Forms
What is it about a 200 MB video or audio file which makes it so much more of database management challenge than relational database the same size?
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