Joins over UNION ALL Queries in Teradata®: Demonstration of Optimized Execution
SIGMOD/PODS '18: International Conference on Management of Data Houston TX USA June, 2018, pp. 1705-1708, 2018.
The UNION ALL set operator is useful for combining data from multiple sources. With the emergence and prevalence of big data ecosystems in which data is typically stored on multiple systems, UNION ALL has become even more important in many analytical queries. In this project, we demonstrate novel cost-based optimization techniques impleme...More
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