Query execution and optimization with autonomic error recovery from network failures in a parallel computer system with multiple networks
作者： Eric L. Barsness , David L. Darrington , Amanda E. Randles , John M. Santosuosso
DOI:
关键词: Sargable 、 Online aggregation 、 Query expansion 、 Distributed computing 、 Query optimization 、 View 、 Execution plan 、 Node (networking) 、 Computer science 、 Network error
摘要: A database query execution monitor determines if a network error or low performance condition exists and then where possible modifies the query. The an alternate plan to continue of optimizer can re-optimize use different node. Thus, allows autonomic recovery for failures using execution. could also be determined at initial optimization time this used execute in case particular failure.
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