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In this Discussion Board, you are asked to define and describe background information of a relational database. Include the following information:
Define relational databases.
What are the characteristics of a relational database?
Be sure to at least address the following:
Concepts of a relation or table
Properties of a relation
Schema concepts
Describe real applications that use a relational database.
1. Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.
Write in assembler a program that will create a stack of single byte entities and have the following operations: push and pop.
Write the functional dependencies in the table which concerns invoicing (an application Premiere Products is considering adding to its database), subject to the specified conditions.
Which is not a factor to consider in software evaluation and explain relational database and Metadata - Build an entity relationship model
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Use Cases Perform a requirements analysis for the Case Study
Write a memorandum to Sam Jones (CIO) and present your research findings. Your memorandum should be no longer than 500 words.
Does the above have one or more functional dependency (do not list FDs by applying derivation rules)? If so, what is it? Show how you will remove it by decomposition.
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
Discuss whether the ERP software is mostly suitable for manufacturing companies or whether it can be used in service industries also.
Create a use case diagram and use case descriptions for each use case scenario in your use case diagram (minimum of 3).
Discuss the Apache Web server in regard to cost, functionality, and compatibility. Are there certain implementations were it may not be suitable
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