### SQL Interview Scenarios **1. Finding Duplicate Records** **2. Running Total Calculation** **3. Aggregations with ROLLUP** **4. Handling NULL Values in Aggregations**
Big Data Developer Interview Questions
1,784 big data developer interview questions shared by candidates
What are the most important skills for someone to have?
why do you want to work at google
Any challenge that you have faced while handling big data in a company
What is big data, map reduce and data lake
Algorithmic/time complexity - Given two arbitrarily large lists (L1 and L2) of integers, +ve and -ve, and a random integer k, write an algorithm to find pairs (a,b) such that a+b=k for all a in L1, b in L2
Ante una determina situación (consumo de datos), plantear una arquitectura end-to-end que contemple requirimientos funcionales y no funcionales. En la entrevista técnica, era resolver dos challenges, uno en Python (trabajar un dataset y responder una pregunta) y otro en SQL (HackerRank).
Why I have to choose you?
What is the Use of pipe (|) in Unix
¿Cuál es tu experiencia previa? ¿Cómo defines las principales tareas de tu trabajo?
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