Commonwealth Bank of Australia Data Analyst Interview Questions

The questions to prepare for a Commonwealth Bank of Australia Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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Cleaning Data for Dashboard Tables

Medium

Explain how to use SQL data wrangling, joins, CTEs, CASE logic, and date handling to turn messy source data into dashboard-ready tables.

JoinsData WranglingAggregations

Commonwealth Bank of Australia

Monthly Sales Trends by Category

Medium

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData Wrangling

Commonwealth Bank of Australia

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Metrics for Banking Dashboards

Medium

Tests your ability to design KPI definitions aligned to banking product outcomes.

North Star MetricKPIsLeading Indicators

Commonwealth Bank of Australia

Presenting Quarterly Trends

Easy

Tests your ability to translate analytics into executive-ready trend narratives.

Lagging IndicatorsKPIsLeading Indicators

Commonwealth Bank of Australia

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Why Data Analytics at CBA

Easy

Tests motivation and alignment with Commonwealth Bank of Australia's data and banking mission.

User NeedsValue PropositionProduct Vision

Commonwealth Bank of Australia

Personal Interests

Easy

Tests your personal drivers and how they might relate to research work.

CommunicationUser Needs

Commonwealth Bank of Australia

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