Top 36
Prep plan
Updated weekly · Last refresh Oct 17

The Lasalle Network Software Engineer Interview Questions

The questions to prepare for a The Lasalle Network Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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~5htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~63 min
SQL Last Six Months JoinsEasy
Practice

Find employees hired in the last six months using PostgreSQL date filtering and a department join.

sql queryThe Lasalle Network
Key Constraints in Relational DatabasesEasy

Explain how primary key, foreign key, and unique key constraints differ and how they enforce data integrity in relational databases.

basicssqldata integrityThe Lasalle Network
Normalization vs Denormalization TradeoffsMedium

Explain normalization, why it improves data integrity, and when denormalization is a practical performance tradeoff.

schema designperformanceData ModelingThe Lasalle Network
Second Highest Salary at NovaTechEasy
Practice
Practice drill

Find the second highest distinct employee salary from a single table, returning NULL if it does not exist.

SubqueriesRankingAggregationsBest BuyAmtex SystemsC3 AI
SQL: Month-over-Month Service TrendsHard
Practice
Practice drill

Compare monthly request volume and completion rates by site, including month-over-month changes with LAG.

Window FunctionsLag/LeadDate FunctionsThe Lasalle Network
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2
Coding7 questions · ~60 min
OOP Polymorphism and SOLIDMedium

Tests knowledge of OOP fundamentals and SOLID design principles.

solid principlesoopThe Lasalle Network
HTML Table MarkupEasy

Tests practical ability to produce correct HTML markup.

The Lasalle Network
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3
Behavioral & Leadership21 questions · ~179 min
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4
More topics3 questions · ~26 min
Website Hosting and HTTPSMedium

Assesses practical web hosting knowledge and understanding of HTTPS.

The Lasalle Network
Python vs C Memory ManagementMedium

Tests understanding of runtime memory behavior and tradeoffs between Python and C.

technical experiencepythonThe Lasalle Network
Compile-Time vs Run-Time ErrorsEasy

Tests your ability to reason about error types and debugging implications.

Communicationbasicstechnical knowledgeThe Lasalle Network

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