o9 Solutions Operations Analyst Interview Questions

The questions to prepare for a o9 Solutions Operations Analyst interview. Questions from real interview reports rank first. Updated daily.

3questions

~1htotal time

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SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

Optimize a slow PostgreSQL query on a large dataset by choosing better filters, joins, and indexes.

Aggregate January transaction totals and rank categories using a window-function rewrite.

Describe what an SQL index is and how it improves query performance.

Behavioral & Leadership2 questions · ~16 min

Tests self-awareness and whether a candidate can connect personal traits to observable behaviors and professional impact.

Presenting Project Status to ExecutivesMedium

Tests executive communication, stakeholder management, prioritization, and ownership in a high-stakes project presentation.

Stakeholder ManagementCommunicationLeadershipoo9 Solutions

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The finish line: interview-readyComplete all 3 questions plus 3 hands-on drills to finish this plan.