Title: database design

Essay Details

Subject: Technology
Author:
Date: June 14, 2015
Level: University
Grade: A
Length: 4 / 1115
No of views: 0
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Essay text:

The system takes up a large amount of space, has many duplicated entries some of these with mistakes and it is time consuming to search. The school intends to introduce a relational-database management system to overcome these problems. Current school data storage and retrieval system (the pre-computer database system) ?h School staff, teachers and office staff are the users of the database...

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An individual record is required for each student. ?h Lots of duplication exists as details of subjects offered by the school are duplicated on individual student records. ?h Data is organised in alphabetical order on student names within years. ?h Data is stored in a number of filing cabinets. Advantages ?h quick to find details of a student if year and surname are known ?h data is stored in a central secure location ?h original source material is stored in the student file...

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