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DBMS(DATABASE MANAGMENT SYSTEM), ADVANTAGES OF DATABASE SYSTEM - Coggle…
DBMS(DATABASE MANAGMENT SYSTEM)
TYPES OF DATABASE
FLAT FILE DATABASE
RELATIONAL DATABASE
DATA :-IT IS A COLLECTION OF CHARACTERS AND SYMBOLS WHICH HAS NO MEANING.
A COLLECTION OF PROGRAMS REQUIRED TO STORE AND RETRIEVE DATA FROM A DATABASE IS CALLED DATABASE MANAGMENT SYSTEM
ADVANTAGES OF DATABASE SYSTEM
IT MINIMISES THE DUPLICATION OF DATA BY INTEGRATING AND SHARING THE DATA FILES
IT SAVES THE STORAGE SPACE
ALL THE USERS ARE PROVIDED WITH SOME ACCESS RIGHTS OR PRIVILEDGES AND PERMISSIONS
IT PROVIDES SECURITY TO IMPORTANT AND CONFIDENTIAL DATA
IT PROVIDES VARIOUS TECHNIQUES TO RECOVER AND BACKUP DATA
DATABASE STRUCTURE
TABLES
PRIMARY KEY
QUERY
REPORT
FORM
DISADVANTAGES OF DATABASE SYSTEM
More Costly. Creating and managing a database is quite costly. ...
High Complexity. ...
Database handling staff required. ...
Database Failure. ...
High Hardware Cost. ...
Huge Size. ...
Upgradation Costs. ...
Cost of Data Conversion