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Abstract: Traditional query optimization struggles in distributed and federated database environments. The challenges come from having different types of data sources, network delays, and changing ...

Abstract: Exploratory Data Analysis (EDA) is the interactive process of gaining insights from a dataset. Comparisons are popular insights that can be specified with comparison queries, i.e., ...

If I remove the OR condition inside the parhentesis works. My first thought is to debug the execution and at a certain point the query is "flatten". Not sure why, maybe for index optimization? In the ...