Questions tagged [aws-athena]

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Does Athena have ref cursors?

Does Athena have a Ref Cursor type construct ? Our team members have written pyspark sql in the following format SELECT dr.case__c as caseId, collect_list(struct( as documentId, ...
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Optimizing SELECT COUNT(DISTINCT) on a table increasing daily

Let's say we have a table Daily_users which has the columns student_id, school_id, grade, timestamp. We collect usage data of students daily and so the table grows daily (note that there could be ...
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