ITAC Solutions Data Analyst Interview Questions
The questions to prepare for a ITAC Solutions Data Analyst interview. Questions from real interview reports rank first. Updated weekly.
Explain how to preserve data integrity during a large database migration using reconciliation queries, joins, CTEs, and transaction controls.
ITAC SolutionsExplain how you use SQL analysis to build dashboards, choose visuals, and communicate insights to stakeholders.
ITAC SolutionsExplain how to profile, clean, and standardize missing or dirty data before analysis.
ITAC SolutionsExplain which visualization tools you use after SQL analysis and why, based on audience, speed, and dashboard needs.
ITAC SolutionsExplain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
ITAC SolutionsExplain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.
ITAC SolutionsAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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HD Supply
Benjamin MooreUse joins, a CTE, and timestamp arithmetic to calculate total autonomous vs manual time per Waymo trip.
WaymoCompute per-vehicle daily autonomous vs manual seconds from state-change logs using LEAD and conditional aggregation.
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Tests communication and stakeholder judgment through a concrete example of selecting and tailoring a visualization approach for business impact.
ITAC SolutionsTests whether you can translate technical complexity into clear, audience-appropriate documentation that drives understanding and action.
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