1. What is the difference between SQL performance tuning and database performance tuning?
2. What are the three phases the DBMS processes a query in? What do you do in each phase?
3. Why is an index on every column of a table inappropriate?
4. Where do database statistics come from?
5. Explain what RAID stands for, and describe the levels.

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SQL performance tuning vs database performance tuning SQL performance tuning is the process of optimizing SQL queries to improve their performance This includes things like choosing the right indexes ... View the full answer