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Presentation transcript:

6/25/2018

Distributed Databases and Client–Server Architectures Chapter 25 Distributed Databases and Client–Server Architectures

Distributed Database Concepts Parallel Versus Distributed Technology Advantages of Distributed Databases Additional Functions of Distributed Databases

Data Fragmentation, Replication, and Allocation Techniques for Distributed Database Design Data Replication and Allocation Example of Fragmentation, Allocation, and Replication

Types of Distributed Database Systems

Query Processing in Distributed Databases Data Transfer Costs of Distributed Query Processing Distributed Query Processing Using Semijoin Query and Update Decomposition

Overview of Concurrency Control and Recovery in Distributed Databases Distributed Concurrency Control Based on a Distinguished Copy of a Data Item Distributed Concurrency Control Based on Voting Distributed Recovery

An Overview of 3-Tier Client-Server Architecture

Distributed Databases in Oracle

Summary