databases

databases

1. why are they used?

   • manage large datasets
     • by using filter and a data base will make it easy to manage a large data sets
   • improve productivity
     • to be fast and organised, able to find information quickly
   • present information
     • how you present informations is by forms and reports
   • make decisions
     • because you improve your buisness
   • interpret data
     • the reason you have interpret date because it contains key in formation. Also you can sort and filter to make decisions.
   • perform calculations
     • does it quickly and accurately. also it can interpret large amounts and summarise large a amount of data
   • they are used bcause keep information safe and secure
     • you can put a lock onto it so non one can get it or delete it.
   • so people work collaboratively
     • so people work together

2. example

   • agencies
     • reservations data
     • client data
     • services data
   • police
     • finger prints
     • id
     • criminal records
   • employment
     • details
     • c.v
     • digital portfoilio
   • health
     • medical info
     • patients data
     • algies
   • sales of goods
     • product
     • sales
     • orders
   • libraries
     • membership
     • loaned books
     • books