Mean by the term query processing


Question 1: What do you mean by the term query processing? What are its objectives?

Question 2: What are the typical phases of query processing? With a neat sketch discuss these phases in high-level query processing.

Question 3: Discuss the reasons for converting SQL queries into relational algebra queries before query optimization is done.

Question 4: What is syntax analyser? Explain with an example.

Question 5: What is the objective of query decomposer? What are the typical phases of query decomposition? Describe these phases with a neat sketch.

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Basic Computer Science: Mean by the term query processing
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