| S. Sarawagi. Query processing and caching in tertiary memory. In Proc. of the 21st Conference on Very Large Databases, Zurich, 1995. |
....to unexpected problems that arise during the execution. Approaches that do change the query plan during execution, have been proposed in [TTC 90, Ant93, ONK 96] to account for inaccurate estimates of selectivities, cardinalities, or costs, etc. made during query optimization, and in [Sar95] to adjust to the location of data in a deep store memory hierarchy. In contrast, our work is focused on adjusting to the time varying performance of loosely coupled data sources in a wide area network, and as a result, we have developed quite different solutions. The reminder of this paper is ....
S. Sarawagi. Query processing and caching in tertiary memory. In Proc. of the 21st Conference on Very Large Databases, Zurich, 1995.
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