Information handling(databases)

Information handling(databases)

1. Benefits

   • fast access
   • easy to edit
   • validation settings
   • sharable
   • can add a security password
   • add data
   • search data
   • sort data
   • print data
   • use data anywhere else

2. terminology

   • a database is a collection of data or infomation which is held together in a organised or logical way

3. validation

   • an automatic computer check
   • make sure data is sensible & reasonanble
   • enter data twice
   • proofreading data
   • doesn't check if data is correct

4. verification

   • check data against the original source data
   • help decrease mistakes
   • checks if data is correct
   • double entry
   • proofreading data

5. exapmles of a databse

   • criminal records(police)
   • in schools with a database containing every student
   • librarys to record books and rented books(due date)(who took the book out)
   • google which contains websites,images etc

6. a database query is used to extract data from the database in a readable format

   • a database report presents data from a database simply and efficiently. reports can be printed

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