Tableau Features and Optimization Questions
Addresses advanced Tableau capabilities and performance tuning for dashboards and server deployments. Topics include calculated fields, parameters, table calculations, and level of detail expressions with when to use fixed, include, and exclude forms. Covers optimization strategies for Tableau workbooks and Tableau Server such as extract management, efficient data sources, query reduction, dashboard best practices, and row level security implementation. Also includes monitoring and tuning of server resources and extract refresh strategies to ensure responsive analytics at scale.
MediumSystem Design
0 practiced
Design an extract refresh strategy for a dataset that must be refreshed every 30 minutes and supports 50 dashboards. The source supports CDC and incremental loads. Describe scheduling, incremental vs full refresh, error handling, and how to prevent extract refreshes from conflicting with peak query times on Tableau Server.
HardSystem Design
0 practiced
Design a cache-warming and invalidation strategy for a Tableau Server cluster so that critical dashboards are fast after nightly data loads but reflect fresh data within 15 minutes. Explain how you would warm caches, track cache hits/misses, and force invalidation when data changes.
MediumTechnical
0 practiced
Design a process to validate that a Tableau workbook migration to a new server preserved performance characteristics and numeric accuracy. Include automated and manual testing steps, telemetry to collect, and acceptance criteria.
MediumTechnical
0 practiced
How would you use Tableau Server's administrative views, TabMon (or Metrics API), and logs to detect a memory-related extract refresh failure? Describe specific metrics, log files, and thresholds you would check.
MediumTechnical
0 practiced
You are evaluating a published workbook that uses many custom SQL queries. Outline a plan to refactor custom SQL into optimized database objects. Include steps to identify candidates, test correctness, and measure performance improvements.
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