Friday, May 10, 2013

Session 66 (4 April 2013)

byte - a collection of bits

field - a unit of data consist of one or more character (byte)

record - a collection of related fields

file - a collection of related record

Database - a structured collection of information

DBMS - a program that accesses information from a database.

Benefits of using database

  • minimise data redundancy
  • data integrity is assured
  • allow the sharing of data / data can be shared
  • information can be accessed easily

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