Database management

1.Describe the relationship between the database and the information system. How does database development fit into the overall context of information system development?2.Describe the processes of conceptual design, logical design, and physical design.3.What are database transactions? Why is transaction management and concurrency control important?4.Describe the meaning of and methods for database recovery.What is database performance tuning? Why is it important?5.What should you consider when deciding when an index should be used?