HCI/520 Discussion questions - 21213

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1)      There are many different database models including hierarchical, object oriented and relational. When would you use a relational database model, and why?

2)      database is a collection of related files that are usually integrated, linked or cross-referenced to one another. The advantage of a database is that data and records contained in different files can be easily organized and retrieved using specialized database management software called a database management system (DBMS). Describe the basic purpose and functions of a DBMS.

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Week 3 DQs

1)      There are many different database models including hierarchical, object oriented and relational. When would you use a relational database model, and why?

The relational database model uses attribute values to establish relationships among tables. The relational model uses a notion of relation that is closely related to thi