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Prep plan
Updated weekly · Last refresh Sep 23I
ICL Group Data Analyst Interview Questions
The questions to prepare for a ICL Group Data Analyst interview. Questions from real interview reports rank first. Updated daily.
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SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Structured vs Unstructured Data BasicsEasy
Explain how structured and unstructured data differ in format, storage, and how easily they can be queried with SQL.
Data WranglingETLIICL Group
Monthly Sales Trends by CategoryMedium
Practice
Practice drillAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
InfrastructureToolsData Wrangling
Total Wine & More
Inc.
Benjamin Moore
Total Wine & MoreInc.Benjamin MooreCleaning a Messy DatasetMedium
Practice
Practice drillFilter invalid game events and normalize event names using PostgreSQL string and null handling.
missing valuesdata cleaningnull handling
Quantium
Scopely
Carvana
QuantiumScopelyCarvanaHandle Missing Financial Input ValuesMedium
Practice
Practice drillUse joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.
Data WranglingETLQuality
Qlik
Qlik2
Behavioral & Leadership1 question · ~8 min
Adapting to Shifting PrioritiesEasy
Tests adaptability under changing priorities, with emphasis on reprioritization, ambiguity management, and stakeholder communication.
OwnershipDealing With AmbiguityPrioritizationIICL Group
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The finish line: interview-readyComplete all 2 questions plus 3 hands-on drills to finish this plan.