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Updated weekly · Last refresh Aug 30

Oracle Data Analyst Interview Questions

The questions to prepare for a Oracle Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
SQL & Data ManipulationStart here. 6 questions + 3 drills · ~78 min
Basic DAX vs SQL MeasuresEasy
Recently asked

Explain basic DAX in Power BI by comparing measures, calculated columns, and common aggregation patterns to familiar SQL logic.

Data WranglingCase WhenAggregationsOracle
Ensuring Consistent Data ImportsMedium
Recently asked

Tests data quality controls and consistency strategies across heterogeneous sources.

data integrationbi toolsdata integrityOracle
Query Optimization on Normalized SchemasHard
Recently asked

Tests advanced SQL tuning strategies for complex schemas and query plans.

Performance TuningnormalizationsqlOracle
Optimizing Slow Power BI DashboardsMedium
Recently asked

Tests performance tuning skills for large-scale BI datasets and dashboards.

Performance Tuningpower biData ModelingOracle
Join Types and Null BehaviorEasy
Recently asked

Tests understanding of SQL join semantics and how nulls affect query results.

null handlingJoinssqlOracle
Second Highest Trader SalaryEasy
Practice
Recently asked
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksInformaticaSpectraforce Technologies
Top Paid Per DepartmentEasy
Practice
Practice drill

Find the top 3 highest-paid employees in each department using window functions.

Window FunctionsRankingBrillioAubay SpainSabre Systems
Impute Sparse Assessment ScoresHard
Practice
Practice drill

Use CTEs, joins, CASE, and null handling to clean sparse assessment scores and impute missing values per question.

null handlingData Wranglingdata integrityMercor
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2
Behavioral & Leadership8 questions · ~64 min
Making Analytics Dashboards IntuitiveMedium
Recently asked

Tests communication and stakeholder management through a dashboard project, with emphasis on simplifying complexity for non-technical users.

Stakeholder ManagementCommunicationdashboardingOracle
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3
More topics2 questions · ~16 min
eCQMs and Their ImportanceMedium

Assesses understanding of healthcare quality metrics relevant to Oracle Health analytics.

Oracle
Design a Trading Data PipelineHard

Evaluates your ability to design end-to-end data pipelines for high-volume, time-sensitive trading analytics.

data pipelineOracle

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