DATABASES

DATABASES

1. Why are they used ?

   • Perform calculations
     • It will calculate things so you don't need to think about it because the computer has done it all for you. it will do it accurately for you so you don't need to worry that you might get it wrong.
   • Manage large datasets
     • They will not get lost, you can store them, view them easily. analyse them.
   • improve productivity
     • Being Organised, structured and
   • Present information
     • By presenting information you could accidently delete things so you could use forms, reports and user friendly.
   • make decisions
     • It is important to make decisions as it will won't waste time and make decisions on the computer than paper.
   • Interpret data
     • Interpret data means to filter and sort out data so you can make decisions.
   • Keep information safe and secure
     • Have a password.
   • Help people calbratively
     • People can work together on one document when people worked on one piece of paper each and that wastes time

2. Examples

   • Libraries
     • Members
     • Books
     • Loans
   • Agencies
     • Client data
     • Services data
     • Reservations data
   • Sales of goods
     • Sales
     • Orders
     • Product
   • Health
     • Details of the person
     • appointments
     • Medical records
   • Police
     • Identification
     • Finger prints
     • Criminal records
   • Employment
     • References
     • Details of the person
     • Departments