SQLSQL LabPostgreSQL practice
00:0031 / 45
W06Advanceddeduplication · ROW_NUMBER

Deduplicate source events

Deduplicate usage_events by source_event_id, keeping the most recently ingested row. Return source_event_id, event_id, and ingested_at only for source IDs that had duplicates. Sort by source_event_id.

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1 table
Table 1

usage_events

Product events with late and duplicate source records.

  • event_idintegerPK
  • source_event_idtext
  • user_idintegerFK
  • customer_idintegerFK
  • event_typetext
  • occurred_attimestamptz
  • ingested_attimestamptz
  • duration_msintegerNULL
  • metadatajsonb
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