Databases

Databases

1. why are they used?

   • Perform calculations
     • interpret large amounts of data, quickly, summarise, accurately
   • Interpret data
     • you can make decisions by sorting and filtering data
   • Make decisions
     • because we will be improving our business
   • Present information
     • forms and reports and by doing this there won't be any thing that will get deleted or any errors will occur and also it is user friendly.
   • Improve productivity
     • you will be improving the way that people are around you and making it easy to use and enjoyable
   • Manage large datasets
     • easier to create a record, won't get lost, easy to store it, view easy, analyse them i.e sort and filter.
   • Keep information safe and secure
     • with paper it could get lost or someone could steel it and then get to read it whereas on a computer you could put a password on it.
   • use the space collaboratively

2. examples

   • libraries
     • loan
     • books
     • details
   • Sales of goods
     • sales
     • product
     • reviews from customers
   • Health
     • appointments
     • medical records
     • allergies
   • Employment
     • departments
     • Previous jobs
     • details
   • Police
     • ID
     • criminal records
     • fingerprint
   • Agencies
     • client data
     • services data
     • reservations data