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Matakuliah
Tahun
Versi
: M0184 / Pengolahan Data Distribusi
: 2005
:
Session - 3
DISTRIBUTED DATABASE
AND
COMPUTER NETWORK
OBJECTIVES
• DATABASE AND DBMS TERMINOLOGY
• THE MEANING OF DISTRIBUTED DATABASE
• COMPUTER NETWORK TECHNOLOGY
DATABASE TECHNOLOGY
• DATA AS A SOURCE
• DBMS ARCHITECTURE
• COMPONENT OF DBMS
• RELATIONAL,HIERARCHICAL AND NETWORK DBMS
• DATABASE DESIGN AND NORMALIZATION
• QUERY LANGUANGE  DML AND DDL
COMPONENT OF DBMS
DBMS FUNCTION
• MAINTENANCE OF PHYSYCAL DATA STRUCTURES
• LANGUAGE FOR STORAGE RETRIEVAL AND
UPDATE DATA
• FACILITIES FOR ENSURING DATA INTEGRITY AND
SECURITY
• SUPPORT FOR MULTI-USER ACCESS
• BACKUP AND RECOVERY
• MAINTENANCE META DATA
• DATA INDEPENDENCE
• TOOLS FOR DATABASE ADMINISTRATOR
DISTRIBUTED DATABASE
DISTRIBUTED DATABASE (DDB) IS A COLLECTION OF
MULTIPLE, LOGICAL INTERRELATES DATABASE
DISTRIBUTED OVER COMPUTER NETWORK
DISTRIBUTED DATABASE MANAGEMENT SYSTEM
(DDBMS) IS THE SOFTWARE THAT MANAGES THE
DDB AND PROVIDES ACCESS MECHANISM THAT
MAKE DISTRIBUTION TRANSPARENT FOR THE USER
DISTRIBUTED DATABASE CONT’D
ADVANTAGE OF DDBS (DISTRIBUTED DATABASE
SYSTEM)
• IMPROVED PERFORMANCE, RELIABILITY AND
AVAILABILITY THROUGH DISTRIBUTED
PROCESSING
• ECONOMICS, EXPANDABILITY, SHAREABILITY
• LOCAL AUTONOMY (OF THE SITE THAT
PARTICIPATE)
DISTRIBUTED DATABASE CONT’D
DISADVANTAGE OF DDBS
• COMPLEXITY OF DESIGN
• DISTRIBUTION OF CONTROL
• DATA INTEGRITY
COMPUTER NETWORK
NETWORK TOPOLOGY
• RING
• STAR
• BUS
• TREE
• FULLY INTERCONNECTED
COMPUTER NETWORK CONT’D
STAR
RING
COMPUTER NETWORK CONT’D
TREE
INTERCONNECTED