What is a database?

What is a database?

Author: David Sansom

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
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Looking at the table above, give an example of 


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