Wat do you mean by query optimization why is it required

Assignment Help Basic Computer Science

Reference no: EM13463252

Question 1: What is a query execution plan?

Question 2: What is query optimization? Why is it needed?

Question 3: With a detailed block diagram, explain the function of query optimization.

Question 4: What is meant by the term heuristic optimization? Discuss the main heuristics that are applied during query optimization to improve the processing of query.

Question 5: Explain how heuristic query optimization is performed with an example.

Reference no: EM13463252

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