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Assignment: Research organizational benefits of using databases and DBMS's. Supplement your research with a review of your lessons. Post a response to the discussion board:
Respond to the following statements and, if appropriate, include personal experience as part of your answers.
• Post at least two reasons organizations use databases and DBMS's.
• Post one advantage a database has over a spreadsheet.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
Describe a minimum of three (3) heuristics to optimize Queries - provide the SQL code (and screen shots)
Assume that you would like Mary to be able to verify that all your email mes- ages are really sent from you. How can you authenticateyour messages without encrypting the actual text?
A motor vehicle maintenance center wants to improve its services by using database management systems and data mining what tables are needed in such a database and how can it help improve their services
How many models of the Titanic have been shipped? What was the date of the first shipment and when was the last shipment sent - Write SQL SELECT statements to retrieve
how data warehousing, online transactional databases, and data mining can solve or reduce these difficulties. Be specific.
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
Determine the total amount of indirect factory wages and factory equipment depreciation costs that would be allocated to the Product Processing activity cost pool.
1. the appropriate sql statements for each query which should be copied from your sql code in mysql and pasted into
List the names of the deceased artists and the number of years of age they were when they died (for example, an artist born in 1950 and deceased in 2001 has an age of 51).
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