Discuss the distinction between top-down and bottom-up approaches to database design.
Answer to relevant QuestionsWhat are business rules? Why are they important to a database designer?List and briefly explain the four steps performed during the logical design stage.Suppose you perform the same functions noted in Problem 2 for a larger warehousing operation. How are the two sets of procedures similar? How and why are they different?What is a scheduler, what does it do, and why is its activity important to concurrency control?What are the four ANSI transaction isolation levels? What type of reads does each level allow?
Post your question