What is an index, and how can it improve the performance of a system?
Answer to relevant QuestionsDescribe what should be considered when estimating the size of a database.Jim Smith's dealership sells Fords, Hondas, and Toyotas. The dealership keeps information about each car manufacturer with whom it deals so that employees can get in touch with manufacturers easily. The dealership staff also ...Pretend that you are a project manager for a bank, developing software for automated teller machines. Develop an online help system.Discuss why testing is so essential to the development of the new system.Describe the five approaches to systems testing.
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