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Updated weekly · Last refresh Nov 11S
Sails Software Solutions Software Engineer Interview Questions
The questions to prepare for a Sails Software Solutions Software Engineer interview. Questions from real interview reports rank first. Updated daily.
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SQL & Data ManipulationStart here. 2 questions + 2 drills · ~45 min
SQL: Average SalaryEasy
Practice
Calculate the average non-null salary from the Employees table using SQL aggregation.
database queryingAggregationsnull valuesSSails Software Solutions
Normalization in Equipment Service DatabasesEasy
Explain normalization, why it improves data integrity, and how to model many-to-one relationships in operational databases.
JoinsData WranglingCTEsSSails Software Solutions
Optimize Active Loan Payment QueryHard
Practice
Practice drillRewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.
database optimizationJoinsData Wrangling
Biz2Credit
AmeripriseEEltro Cyberchrome Private
Biz2CreditAmeripriseEEltro Cyberchrome PrivateSQL Top 10 Highest PaidEasy
Practice
Practice drillReturn the 10 highest-paid employees with department details and deterministic tie-breaking.
JoinsRankingSortingMMeituanLLinedata
Accenture
Accenture2
Coding1 question · ~13 min
Time Complexity of Binary SearchEasy
Explain why binary search runs in O(log n) time and when sorting changes the overall cost.
Hash TablesSearchingSortingSSails Software Solutions
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The finish line: interview-readyComplete all 3 questions plus 2 hands-on drills to finish this plan.