SQL questions using joins, sub queries Python questions for searching through Big Data
Big Data Analyst Interview Questions
1,784 big data analyst interview questions shared by candidates
Find a number that occurs exactly once in an array of integers. 1 < n[i] < 25
Dsa questions asked: 1) Find second largest element in an array 2) Detect cycle in a undirected graph
During the HR round the question asked was give a large text file how to handle it to do the better search operations. No the answer was not using hashmaps but related to using the concepts of threads.
Interview questions were based heavily on the resume and in between they asked a few DSA and SQL queries, they also asked questions about data warehouse and oops concepts
Description use cases, solution approach in projects you worked for.
How can we find the second highest salary?
spark architecture, python sets and lists, hive optimisations, and other basic stuff.
Kind of a Fresher interview or 5 below years of questions, no architectural questions. Person who asked from Cangra who never has a high level experience..
Types of join in SQL, How will you connect Spark with different databases write syntax for it. How will you connect AWS S3 with spark. How will you remove/ show the duplicates from a table (spark, sql) UDF in spark and its syntax. Spark-submit syntax How to create table in hive
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