W04AdvancedLAG · intervals

Time since previous deployment

For customer 3, return deployment_id, deployed_at, and since_previous, the interval since its prior deployment. The first row should be NULL. Sort chronologically.

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Table 1

deployments

Customer releases, including failures and rollbacks.

deployment_idintegerPK
customer_idintegerFK
engineer_idintegerFK
versiontext
statustext
deployed_attimestamptz

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