DATABASE AND DATABASE MANAGEMENT

• DATABASE

  -         central repository of shared data

  -         stored in a standardized, convenient form required DBMS (database management system)
• DATABASE MANAGEMENT SYSTEM (DBMS)

  -         collection of programs that enables users to create and maintain a database;

  -         facilitates the process of defining, constructing, manipulating, and sharing databases among various users and applications
• COMPONENTS OF DATABASE ENVIRONMENT

  A.   DATABASE MANAGEMENT SYSTEM (DBMS)

  B.    DATABASE

  C.   REPOSITORY

  D.    CASE TOOLS

  E.    APPLICATION PROGRAMS

  F.     USER INTERFACE

  G.   DATA ADMINISTRATORS

  H.    SYSTEM DEVELOPERS

  I.      END USERS
• A.   DATABASE MANAGEMENT SYSTEM (DBMS)

  • Software for managing the database.
• A.   DATABASE 


  – storehouse of the data.
• C. REPOSITORY

  centralized storehouse of metadata.
• D. CASE TOOLS


  – computer-aided software for engineering.
• E. APPLICATION PROGRAMS

  – software using the data.
• F. USER INTERFACE

  • text and graphical displays to users.
• G. DATA ADMINISTRATORS


  personnel responsible for maintaining the database.
• H. SYSTEM DEVELOPERS 


  personnel responsible for designing databases and software.
• I. END USERS


   people who use the applications and databases.