Write query on big query
Big Data Developer Interview Questions
1,784 big data developer interview questions shared by candidates
They have 4 data sets and load them and visualize without given any environment setups. 1) Find the products that are not sold any day
Hive Load vs Insert
What kind of dimension will you use if you are planning a dashboard for review the employees' work performance?
Big O, Java Strings - regex, Classification and SVM, College Projects, On Campus Jobs, Big Data technologies
What was a challenge that you experienced in your current or previous employment and how did you overcome it?
How to read parquet file list the employees where salary > 10000
Tell me about a time where you dealt with a customer obsession
telephonic with technical and SQL coding ) 1 hr Difference b/w SQL and HDFS How do you read, map and reduce and text file in spark ETL How do you create tables in Hive Group by and union with Customer tables Size of data in Hadoop cluster Data warehousing Primarily focused for 45 min on Hive, Spark, Hadoop, HDFS, data warehousing and ETL And, no status on the interview yet, but even though I answered all the questions but, I failed in one coding question of 2 so, I don’t have any hopes for next rounds. It may be useful for you all. Here is the question I got on Amazon Interview Input: SALES_MONTH | PRODUCT_ID |SALE_AMOUNT JAN - 2020 |P1 | 100 FEB - 2020 |P2 | 200 JAN - 2020 |P3 | 500 MARCH - 2020 |P4 | 10 OUTPUT SALES_MONTH | P1_TOTAL |P2_TOTAL JAN - 2020 |100 | 0 FEB - 2020 |0 | 200 MARCH - 2020 |10 | 0
asked very few questions. only about projects.interviewer was in hurry .has taken interview for 6-7 min only .
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