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Running Total of Claims
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Running Total of Claims

MediumSQL · PostgreSQL

Problem

Write a SQL query using window functions to calculate a running total of processed Asurion insurance claims by day.

Use the claims and claim processing events tables. Include only successfully processed events with a valid processing timestamp.

Output

  1. One row per processing date
  2. Columns: processed_date, processed_claims, and running_total
  3. Sort by processed_date ascending

Schema

insurance_claims
ColumnTypeDescription
claim_idPKINTUnique insurance claim identifier
claim_numberVARCHAR(20)External claim reference number
device_typeVARCHAR(40)Type of device covered by the claim
claim_processing_events
ColumnTypeDescription
event_idPKINTUnique processing event identifier
claim_idINTClaim associated with the processing event
statusVARCHAR(20)Processing status
processed_atTIMESTAMPTimestamp when the event was processed
Tablesinsurance_claimsclaim_processing_events
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