C02IntermediateUNION · set operations

Customers needing attention

Return distinct customer_id values for customers that have either a failed deployment or an open sev1 incident. Use a set operation and sort by customer_id.

Data available

Use these tables

2 tables · 1 relationship

Table 1

deployments

Customer releases, including failures and rollbacks.

deployment_idintegerPK
customer_idintegerFK
engineer_idintegerFK
versiontext
statustext
deployed_attimestamptz

Table 2

incidents

Operational incidents; unresolved rows have no resolved_at.

incident_idintegerPK
customer_idintegerFK
deployment_idintegerNULLFK
severitytext
opened_attimestamptz
resolved_attimestamptzNULL
root_causetextNULL

How the tables connect

incidents.deployment_id=deployments.deployment_id

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