Favorable
发表于 2025-3-30 11:33:28
Introduction to Query Processing nested loop and relational algebra algorithms for query execution and point out some opportunities for improving their performance. A survey of optimization strategies, structured in query transformation techniques and access planning methods, follows. Finally, extensions for special-purpose query
从容
发表于 2025-3-30 12:46:53
Query Processing in R*ntal adaptation of System R to the distributed environment. The R* prototype is currently operational on multiple machines running the MVS operating system, and is undergoing evaluation. The R* system is a confederation of autonomous, locally-administered databases that may be geographically dispers
diathermy
发表于 2025-3-30 19:59:02
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