Top 45

Prep plan

Updated weekly · Last refresh Sep 18

IDeaS - A SAS Software Engineer Interview Questions

The questions to prepare for a IDeaS - A SAS Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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1

CodingStart here. 12 questions · ~119 min

Cycle Detection in Linked ListsEasy

Detect whether a singly linked list contains a cycle using fast and slow pointers.

Linked ListsTwo Pointers

Merge Two Sorted ArraysEasy

Practice

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo Pointers

IDeaS - A SAS

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2

SQL & Data Manipulation11 questions + 2 drills · ~130 min

SQL Top 3 Customers Per MonthMedium

Use monthly aggregation and ROW_NUMBER to identify PA Consulting's top three revenue-generating clients each month.

Window FunctionsRankingAggregations

SQL vs NoSQL for Go-to-Market DataEasy

Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.

JoinsData Wrangling

IDeaS - A SAS

Second Highest Without AggregatesHard

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-Joins

Cisco Restaurant + Bar

Rank Customers by Monthly UsageMedium

Rank Viasat customers by monthly usage within each assigned region, including tied usage totals.

Window FunctionsDate FunctionsJoins

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3

Pipelines3 questions · ~30 min

Batch vs Streaming Data ProcessingEasy

Compare batch and streaming data processing, including when each fits best in a pipeline.

Stream ProcessingETLBatch Processing

IDeaS - A SAS

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4

Execution4 questions · ~40 min

Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope Management

IDeaS - A SAS

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5

System Design3 questions · ~30 min

System Design: Schema and StackMedium

Assesses end-to-end system design reasoning from data modeling to technology selection.

database design

IDeaS - A SAS

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6

Behavioral & Leadership11 questions · ~110 min

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7

More topics1 question · ~10 min

Network Packet TransferMedium

Tests understanding of networking fundamentals and ability to illustrate with a concrete example.

data transferNetworking

IDeaS - A SAS

The finish line: interview-readyComplete all 45 questions plus 2 hands-on drills to finish this plan.