Continuous moving average calculation (algorithm will do) for a large set of data (say avg for billion records ), with new data coming frequently probably in 100s of records.
Data Engineer Interview Questions
Data Engineer Interview Questions
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.
Top Data Engineer Interview Questions & How To Answer
Question #1: Can you describe in detail your level of expertise with programming languages?
Question #2: Explain data engineering in your own words.
Question #3: Can you describe your experience working with Apache Hadoop and cloud data management environments?
20,193 data engineer interview questions shared by candidates
explain data mining?
What lesson did you learn from your mistake in your current or previous work?
Mainly on Azure related interview questions
Solve SQL problem according to random chosen tables.
how can this query be optimized? select * from table
Questions was about my previous work, data warehousing, SQL and shell scripting.
Python Coding. Asked a lot of big data related questions. SQL query optimization. Relational vs non-relational databases
Difference between coalesce and repartition
What is your expectations for a data engineer job?
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