Processors

A Vision for Next Generation Query Processors and an Associated Research Agenda

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Executive Summary

Query processing is one of the most important mechanisms for data management, and there exist mature techniques for effective query optimization and efficient query execution. The vast majority of these techniques assume workloads of rather small transactional tasks with strong requirements for ACID properties. However, the emergence of new computing paradigms, such as grid and cloud computing, the increasingly large volumes of data commonly processed, the need to support data driven research, intensive data analysis and new scenarios, such as processing data streams on the fly or querying web services, the fact that the metadata fed to optimizers are often missing at compile time, and the growing interest in novel optimization criteria, such as monetary cost or energy consumption, create a unique set of new requirements for query processing systems.

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