SQLSQL LabPostgreSQL practice
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S02StretchWITH RECURSIVE · calendar table

Fill the calendar gaps

Using a recursive CTE, generate every date from 2026-08-08 through 2026-08-14 inclusive. Return event_day and event_count, showing zero on dates without events. Sort chronologically.

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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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