Automated Reporting & Report Development Questions
Build automated reports that refresh on schedule. Understand refresh schedules, data pipeline integration, and deployment to production. Create parameterized reports for different stakeholder needs. Know how to version control and manage report changes.
HardTechnical
0 practiced
For a monitoring dashboard that must display near-real-time user error rates and a historical analytics dashboard for weekly trends, compare architectures for batch versus streaming approaches. Discuss trade-offs in complexity, cost, latency, consistency, tooling choices (e.g., Kafka/Streams, micro-batch engines, warehouse), and recommended approaches for each component (ingest, processing, storage, serving).
EasyTechnical
0 practiced
Describe the basic access control mechanisms available in Tableau and Power BI (workspace/project roles, dataset permissions, object-level permissions, and row-level security). Explain a simple step-by-step approach to granting a new analyst view-only access to specific dashboards without giving edit or dataset access.
HardTechnical
0 practiced
You're running 200 datasets in a cloud warehouse with hourly refreshes and monthly cloud costs have tripled. Present a practical cost-optimization plan covering query optimization, partitioning/pruning, incremental refresh, materialized views, scheduling consolidation, compute rightsizing, and governance. Include measurement and rollout steps.
MediumBehavioral
0 practiced
You discover a critical automated report used by leadership contains incorrect metrics for the past week. Describe how you would triage the issue, communicate to leadership and stakeholders, provide temporary mitigations or workarounds, and plan remediation with timeline, root-cause analysis, and preventative actions.
MediumSystem Design
0 practiced
Design an Airflow DAG to orchestrate a daily automated reporting pipeline that: (1) extracts new data from multiple sources, (2) runs transformations into a data mart, (3) updates materialized aggregates, and (4) triggers dashboard refreshes. Describe task layout, dependency management, retry strategy, SLAs, cross-DAG dependencies, and how you'd enable local testing and environment separation.
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