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Prove that the algorithm for decomposing a relation schema with a set of FDs into a collection of BCNF relation schemas as described in Section 19.6.1 is correct (i.e., it produces a collection of BCNF relations, and is lossless-join) and terminates.
Complete database exercise by converting user form located the evaluation procedures section of the syllabus into 1NF and 2NF.
Consider the ER diagram that you designed for the Prescriptions-R-X chain of pharmacies in Exercise 2.7. De?ne relations corresponding to the entity sets and relationship sets in your design using SQL.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Prepare a Systems Proposal that includes an executive summary and a problem statement. Refer to the guidelines and recommended format for the systems proposal.
1. what is meant by data independence? explain your answer.2. identify two benefits of separating application software
A database to keep track of information for her business
You need to design a CASE for other student to investigate. As an example; at the end of this week you should generate the following materials: A case description.
Propose a solution capable of running on the specified hardware platform. Your analysis should include the advantages and disadvantages of Ubuntu vs. Windows Server.
Create a diagram using Visio, Microsoft Paint, or other graphical creation utility of your choosing to illustrate the diagrams supporting your conclusion. Note: The graphically depicted solution is not included in the required page length.
Your company has put in the request for a new database system and you have been tasked with architecting the security associated with this new project.
Create an XML file with markup tags and some sample data to represent a list of invoices. Include the XML tags for two invoices in the list. Also, assume the invoices are created from a database whose tables are shown in the following database rela..
The appropriate SQL commands, which should be copied from your source code in MySQL, and pasted into your submission file; and The resultant tables, which must be screenshots to show the change due to the execution of commands
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