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Online aggregation is a query processing technique that returns approximate answers with error guarantees (in the form of confidence intervals) continuously during the query execution process. This approach offers users a suitable tradeoff between query efficiency and accuracy. The key issue of online aggregation is how to ensure a random sample collection's efficiency and effectiveness. However,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.