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Session – 5 DISTRIBUTED DATABASE ARCHITECTURE

Session – 5 DISTRIBUTED DATABASE ARCHITECTURE. Matakuliah : M0184 / Pengolahan Data Distribusi Tahun : 2005 Versi :. OBJECTIVES. MODELS FOR DISTRIBUTED DBMS DISTRIBUTED DATABASE ARCHITECTURE. Models for Distributed DBMS. Models for Distributed DBMS. Autonomy

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Session – 5 DISTRIBUTED DATABASE ARCHITECTURE

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  1. Session – 5DISTRIBUTED DATABASEARCHITECTURE Matakuliah : M0184 / Pengolahan Data Distribusi Tahun : 2005 Versi :

  2. OBJECTIVES • MODELS FOR DISTRIBUTED DBMS • DISTRIBUTED DATABASE ARCHITECTURE

  3. Models for Distributed DBMS

  4. Models for Distributed DBMS • Autonomy Autonomy refers to the distribution of control not data. It indicates the degree to which individual DMBS can operate independently • Distribution Distribution dimension refers to data. Considering distribution of data over multiple sites. • Heterogeneity Heterogeneity may occur in various forms of distributed system, ranging from hardware heterogeneity and differences in networking protocols to variation in data manager

  5. Distributed DBMS Architecture • Client Server • Peer-to-peer Distributed System • Multi Databases Architecture (Heterogeneous Distributed System)

  6. Client Server

  7. ES1 ES2 ESn GCS LCS1 LCS2 LCSn LIS1 LIS2 LISn Peer-To-Peer Distributed System Refer from three-tier database architecture LIS : Local Internal Schema LCS : Local Conceptual Schema GCS : Global Conceptual Schema ES : External Schema

  8. GES1 GES2 GES3 LES11 LESn1 LES12 LESn2 LES13 LESn3 GCS LCS1 LCSn LIS1 LISn Multi Databases Architecture (Heterogeneous Distributed System)

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