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Full Description
Recent achievements in hardware and software development, such as multi-core CPUs and DRAM capacities of multiple terabytes per server, enabled the introduction of a revolutionary technology: in-memory data management. This technology supports the flexible and extremely fast analysis of massive amounts of enterprise data. Professor Hasso Plattner and his research group at the Hasso Plattner Institute in Potsdam, Germany, have been investigating and teaching the corresponding concepts and their adoption in the software industry for years.
This book is based on the first online course on the openHPI e-learning platform, which was launched in autumn 2012 with more than 13,000 learners. The book is designed for students of computer science, software engineering, and IT related subjects. However, it addresses business experts, decision makers, software developers, technology experts, and IT analysts alike. Plattner and his group focus on exploring the inner mechanics of a column-oriented dictionary-encoded in-memory database. Covered topics include - amongst others - physical data storage and access, basic database operators, compression mechanisms, and parallel join algorithms. Beyond that, implications for future enterprise applications and their development are discussed. Readers are lead to understand the radical differences and advantages of the new technology over traditional row-oriented disk-based databases.
Contents
Introduction.- The Future of Enterprise Computing: New Requirements for Enterprise Computing.- Enterprise Application Characteristics.- Changes in Hardware.- A Blueprint of SanssouciDB.- Foundations of Database Storage Techniques: Dictionary Encoding.- Compression.- Data Layout in Main Memory.- Partitioning.- In-Memory Database Operators: Delete.- Insert.- Update.- Tuple Reconstruction.- Scan Performance.- Select.- Materialization Strategies.- Parallel Data Processing.- Indices.- Join.- Aggregate Functions.- Parallel Select.- Workload Management and Scheduling.- Parallel Join.- Parallel Aggregation.- Advanced Database Storage Techniques: Differential Buffer.- Insert- Only.- The Merge Process.- Logging.- Recovery.- On-the-fly Database Reorganization.- Foundations for a New Enterprise Application Development Era: Implications on Application Development.- Database Views.- Handling Business Objects.- Bypass Solution.- Self Test Solution.
