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What is a database?

What is a database?

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Author: David Sansom
Description:

Learning outcome:

I understand how databases have been used and are being used

I understand why it is important to use a relational database instead of a flat file database

This tutorial will cover

  • Difference between traditional and electronic databases 
  • Difference between flat file and relational databases 
  • Data inconsistency 
  • Difference between data and Information
(more)
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Tutorial

Anomalies

Looking at the table above, give an example of 

 

  1. 1. A deletion anomaly
  2. 2. A modification anomaly
  3. 3. An insertion anomaly