SQLSQL LabPostgreSQL practice
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A01IntermediateFILTER · GROUP BY

Customer deployment scorecard

For each customer with deployments, return customer_id, total_deployments, successful_deployments, and failed_deployments. Count rolled-back releases only in the total. Sort by customer_id.

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1 table
Table 1

deployments

Customer releases, including failures and rollbacks.

  • deployment_idintegerPK
  • customer_idintegerFK
  • engineer_idintegerFK
  • versiontext
  • statustext
  • deployed_attimestamptz
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