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ITE1-Distributed Database Management System
Objective : To understand distributed databases, data fragmentation, data sites and other ReferNos. of Sr. techni Chapter Details ence Session No. ques Books used.
1 Introduction Distributed data processing, What is a DDBMS, Advantages and disadvantages of DDBMS, Problem areas, Overview of database and computer network concepts Distributed database Management System Architecture Transparencies in a distributed DBMS, Distributed DBMS architecture Global directory issues Distributed Database Design Alternative design strategies, Distributed design issues, Fragmentation, Data allocation Query Processing Issues Objectives of query processing, Characterization of query processors, Layers of query processing, Query decomposition, Localization of distributed data Optimizing Distributed Queries Factors governing query optimization, Centralized query optimization, Ordering of fragment queries, Distributed query optimization algorithms Distributed Object Management Object model features, Fundamental object management issues, DOM architectures, Object caching, Object clustering, Object migration, Distributed object base systems Query Processing In Distributed Object base Systems Problems in accessing distributed objects, Distributed object assembly problem, Strategies for distributed object assembly Transaction Management The transaction concept, Goals of transaction management, Characteristics of transactions, Taxonomy of transaction models 3 3
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