Database Management Sysytems

If you were designing a Web-based system to make airline reservations and to sell airline tickets, which DBMS Architecture would you choose from Section 2.5?

• Why?
• Why would the other architectures not be a good choice?
• Describe the three-schema architecture. Why do we need mappings among schema levels? How do different schema definition languages (SDL) support three-schema architectures.
• Discuss the main categories of data models. What are the basic differences among the relational model, the object model, and the XML model?

300 words, APA7