Databases

Databases

1. Defenition a database is a persistent collection of data or information which is held together in an organised or logical way

2. Computerised

   • Can Hold a vast amount of data!
   • Very fast to find a specific record!
   • Can Easil y search for a specific criteria e.g. "all of the people who live in garstang
     • Data Can be sorted into ascending or decending order on multiple criteria
     • Can easily update or amend a record e.g. customers adress after moving house
   • Can Be used to analyse the data e.g. "most popular selling item!
   • Records are stored safely , they are avalable when needed

3. Paper based

   • Limited ny physical storage space avalable
   • Can take a while to manually search through all of the records.
   • Difficult to search for a specific criteria; every record would have to be manually looked at.
   • very difficult to analyse data
   • Changes have to be done manually. records can look messy if scribbled out.