Matakuliah
Tahun
Versi
: M0184 / Pengolahan Data Distribusi
: 2005
:
Session – 4
DISTRIBUTED DATABASE
AND
COMPUTER NETWORK
OBJECTIVES
• DISTRIBUTED DATABASE ARCHITECTURE
• HOMOGENEOUS DDBMS
• HETEROGENEOUS DDBMS
ANSI-SPARC THREE-LEVEL
ARCHITECTURE
DISTRIBUTED DATABASE DESIGN
EXTERNAL
SCHEMA
CONCEPTUAL SCHEMA
EXTERNAL
SCHEMA
INTERNAL SCHEMA
PHYSICAL
SCHEMA
CLASSIFICATION OF DDBMS
ARCHITECTURE
• HOMOGENEOUS DDBMS
• HETERGENEOUS DDBMS
TAXONOMY OF DISTRIBUTED DATA
SYSTEMS
DISTRIBUTED DATA SYSTEM
HOMOGENEOUS
AUTONOMOUS
HETERGENEOUS
NON-AUTONOMOUS
INTEGRATION VIA SYSTEMS
FULL DBMS FUNC.
INTEGRATION VIA GATEWAYS
PARTIAL DBMS
(MULTIDATABASE)
UNFEDERATED
FEDERATED
LOOSE INTEGRATION
(EXPORT SCHEMA)
TIGHT INTEGRATION
(GLOBAL SCHEMA)
SINGLE
MULTI
HOMOGENEOUS DDBMS
GLOBAL USER
VIEW 1
GLOBAL USER
VIEW N
DISTRIBUTED
DABASE SYSTEM
DATA
MANAGEMENT
SOFTWARE
DB - 1
DATA
MANAGEMENT
SOFTWARE
DATA
MANAGEMENT
SOFTWARE
DB - 2
DB - 3
DATA
MANAGEMENT
SOFTWARE
DB - N
HETEROGENEOUS DDBMS
LOCAL USER
GLOBAL USER
LOCAL USER
MULTIDATABASE
MANAGEMENT SYSTEM
DATABASE
MANAGEMENT
SYSTEM 1
DB - 1
DATABASE
MANAGEMENT
SYSTEM 2
DATABASE
MANAGEMENT
SYSTEM 3
DB - 2
DB - 3
DATABASE
MANAGEMENT
SYSTEM N
DB - N