Homework 1

Homework 1 - CSC4402 Homework #1 Due Wednesday Sept. 9,...

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CSC4402 Homework #1 Due Wednesday Sept. 9, 2009 1. Describe TWOimportant advantages of using a database system vs. traditional file processing system for managing data. Explain each advantage in a fewwords in addition to stating the advantage. (hint: look at the text book, section 1.2 - there the discussions indicate the main disadvantages of using traditional file processing systems) 2. What is the main purpose to use the (ANSI/SPARC) three-levelarchitecture for a database sys- tem? Describe the notions of physical data independence and logical data independence. Briefly explain the difference between physical data independence and logical data indepen- dence. 3. Define: (Note that you should write down the full expression for the abbreviations such as DBMS and DBA) DBMS, database, DBA, data integrity ,data inconsistency, data abstraction, physical schema, logical schema, data model, data dictionary.
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Homework 1 - CSC4402 Homework #1 Due Wednesday Sept. 9,...

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