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1. Explain why database re-engineering and redesign is necessary.

2. What is the difference between a correlated subquery and a regular subquery?

3. Explain what is done when a NOT NULL column is added to a table.

4. What is a dependency graph?

5. Explain what should be done when adding tables and relationships for normalization.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M9211390

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