Database

Database
  • A database is an organized collection of data that need to be accessed and reproduced in many different ways.
  • There are infinite examples of databases in our daily life:  
                 a local telephone directory
                 mailing lists
                 a library card catalogue
    •  A database program is the software tools specially designed to organize data in a flexible manner.
    •  A database program is designed to make it far easier than other programs such as word processors or spreadsheets to:
                    add
                    modify
                   delete
                   search
                   sort
                   omit
                   sum data
    • A database program is also called a database management system (DBMS).
    •  The basic components of a database are:
                  tables
                  records
                  fields 
                 query
          These four fit together to make a database file.
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