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Updated weekly · Last refresh Oct 17Leadsquared Data Engineer Interview Questions
The questions to prepare for a Leadsquared Data Engineer interview. Questions from real interview reports rank first. Updated daily.
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SQL & Data Manipulation1 question + 3 drills · ~38 min
SQL Window and Spark DistributionHard
Evaluates SQL problem-solving and your understanding of Spark data distribution.
aggregationsqlspark
Leadsquared
LeadsquaredSecond Highest Trader SalaryEasy
Practice
Practice drillFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
SubqueriesRankingSorting
eClinicalWorksNNeenOpal Canada
Informatica
eClinicalWorksNNeenOpal CanadaInformaticaSecond Highest Without AggregatesHard
Practice
Practice drillFind the second highest salary in each department without using aggregate functions.
SubqueriesRankingSelf-Joins
Credit Genie
Devoteam
Cisco Restaurant + Bar
Credit GenieDevoteamCisco Restaurant + BarSQL Query for Max Per DepartmentMedium
Practice
Practice drillRetrieve each department's maximum employee salary using a join and aggregation.
aggregationJoinsGroup ByIIndium SoftwareAAmdocs
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The finish line: interview-readyComplete all 2 questions plus 3 hands-on drills to finish this plan.