CENTRALIZED DATABASE STRUCTURE

                 CENTRALIZED  DATABASE STRUCTURE

A CENTRALIZED  DATABASE  CAN BE DESCRIBED  AS PHYSICAL  ENTITY  SITUATED  AT SINGLE  LOCATION.ASLO, ITS OPERATION IS UNDERTAKEN  BY SINGLE  COMPUTER  THAT  IS  MAINFRAME  COMPUTER.  THE  CENTRALIZED  DATABASE  EASE  THE EXECUTION  OF MOST  OF THE  FUNCTION  FOR WHICH  DATABASE  ARE CREATED. APPARENTLY, OPERATIONS SUCH  AS DATA UPDATE,  DATA  BACKUP,  QUERY, AND CONTROL  ACCESS  BECOMES EASY IF THE USER IS AWARE  OF THE DATA STORE  LOCATION  AND ITS SOFTWARE. THE SIZE  AND LOCATION OF THE DATABASE do NOT  HAVE IMPACT  ON WHETHER  THE DATABASE  IS CENTRALIZED, DISTRIBUTE, OR INDIVIDUAL.  FOR  INSTANCE,  THE DATABASE  IN SMALL  COMPANY  CAN  BE STORED  IN A PERSONAL  COMPUTER  WHICH  SEVERS  AS  CENTRALIZED  DATABASE,  WHEREAS  IN LARGE  COMPANIES,  DATABASE  WILL  BE  STORED  IN MULTIPLE  COMPUTER  WHICH is CONTROLLED BY  MAINFRAME.