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Adding hours to dates in Presto...


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Retain latest record by differentiate "actual NULL in data" vs "NULL due to field not...


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Using columns from query in subquery in Athena...


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Athena query returns "INVALID_TABLE_PROPERTY" for daily partition projection preview table...


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SQL compare multiple column across two tables and output new compare result columns...


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Select random rows such that combination of a subgroup of columns is unique...


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Aggregate columns in Athena...


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Select group by values depending on conditions...


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