Data engineers are IT professionals who are needed in almost every industry. Data engineers monitor data trends to determine best next steps for companies. A critical part of a data engineer job is to process raw data into usable data by creating data pipelines and building data systems.
Questions are focused on SQL. After general questions and question about my past experience. I was query a scenario and create a view. He provided a sample data set (around 10 records). I felt it was a complex question. I had to write 3 sub-queries to solved it later.
Write a function return max in Phython
We had to write sql queries on paper .
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SQL and coding questions in 1 hour using coderpad
Given this data calculate this KPI How would you design the data model for this scenario
Scala: Write a program to find avg_word_length with test cases? Write a program to validate ip address with test cases ? SQL : Interviewer gave a schema with products, sales .Using that schema you have to write the sql queries .It is easy only but you have to understand the schema and time plays very important factor .I tried to answer 3 sql questions Lets hope for the best for onsite interview.
Easy data structures in Python, SQL query questions
10 SQL questions anf 10 coding questinos
get the top3 product class_id by the total sales.
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