Monday, March 7, 2011

Homework pgs 224-232 4RQs

1) What is the difference between a file manager and a database-managment system? How are they similar?
               Difference: The file manager only works with one file at a time while the database-management system works with more than one file.
               Similar: both store information in files

2) What is a query? Give examples of the types of questions that might be answered by a query?
         Query: an information request
                Example: information on Abraham Lincoln

3) Describe the structure of a simple database. Use the terms file, record and field.
              Database: a is a collection of records made up of fields  stored in an organized file. 

4) In a typical database, a record contains the information related to one person, product, or event.
             True

I hope I did it right!

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