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Databases
In this chapter we defined a database as a collection of related data, where data means recorded facts. A typical database represents some aspect of the real world and is used for specific purposes by one or more groups of users. A DBMS is a generalized software package for implementing and maintaining a computerized database. The database and software together form a database system.
Define the following terms: data, database, DBMS, database system, data- base catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object, meta-data, and transaction-processing application.
1.2. What four main types of actions involve databases? Briefly discuss each.
1.3. Discuss the main characteristics of the database approach and how it differs from traditional file systems.
1.4. What are the responsibilities of the DBA and the database designers?
1.5. What are the different types of database end users? Discuss the main activi- ties of each.
1.6. Discuss the capabilities that should be provided by a DBMS.
1.7. Discuss the differences between database systems and information retrieval systems.
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