TD Business Intelligence Analyst Interview Questions
The questions to prepare for a TD Business Intelligence Analyst interview. Questions from real interview reports rank first. Updated daily.
Use GROUP BY and HAVING to find duplicate patient records in a Johns Hopkins Medicine dataset.
Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
Tests your ability to use joins and filtering logic to handle special-case data values in SQL.
Assesses your ability to design joins using keys, data profiling, and assumptions when relationships are unclear.
Optimize a PostgreSQL reporting query using selective filtering, aggregation, indexing strategy, and execution-plan reasoning.
Evaluates your practical tooling choices for BI data prep and transformation.
Use joins, aggregation, HAVING, and CASE to identify customers with at least two completed orders.
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Tests prioritization under pressure across multiple projects, including time management, stakeholder communication, and ownership of trade-offs.
Tests conflict resolution in an analytical setting, especially how you use data, communication, and consensus-building to resolve methodology disputes.