Query transformation for exact cardinality computing
In general, query optimizers rely on a cost model to choose an appropriate query execution plan for the given queries. An important key parameter of the cost estimation is the cardinality of sub-expressions of the queries. Traditionally, the optimizers may use the estimation cardinality techniques,...
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| 格式: | Conference Proceeding |
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2018
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| 在線閱讀: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79957574902&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/49885 |
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