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Han River Technology Software Engineer Interview Questions
The questions to prepare for a Han River Technology Software Engineer interview. Questions from real interview reports rank first. Updated daily.
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SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Joining Two Tables in SQLMedium
Tests SQL join syntax and the ability to reason about result set differences.
JoinssqlHHan River Technology
SQL Window Functions ExperienceMedium
Practice
Practice drillUse SQL window functions to rank regions by average 2024 yield within each country.
Window FunctionsJoinsData Manipulation
Ernst & Young
KBR
Maximus Tech
Ernst & YoungKBRMaximus TechWindow Functions for TrendsMedium
Practice
Practice drillCalculate account-level running totals and three-row moving averages with PostgreSQL window functions.
Window FunctionsJoinsData ManipulationAAxtriaGGrowth IntelligenceGGrupo Astek
Inner Join vs Left JoinEasy
Practice
Practice drillUse a LEFT JOIN to return every user, including users without an assignment, and distinguish unmatched rows from matched rows.
null handlingJoinssql
TransUnion
Thirdware Solution
Antra
TransUnionThirdware SolutionAntra2
System Design1 question · ~8 min
Machine Test System DesignMedium
Evaluates your approach to designing a machine testing system and structuring core components.
designHHan River Technology
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The finish line: interview-readyComplete all 2 questions plus 3 hands-on drills to finish this plan.