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Big Data Intern Interview Questions
1,784 big data intern interview questions shared by candidates
Asked me to write Apache Spark application using scala on a paper. (Not to worry about the syntax)
Q: Describe a project that you feel proud of?
Q: What is your biggest obstacle in your career and how do you go about solving it?
Hadoop mapreduce how HDFS works, command to check if replicated data lost from partition how YARN works how Spark works, what happens after you submit a job HIVE and buckets RDD vs DataFrame vs DataSet monitoring tools for YARN
However, just because the interview is over doesn't mean your process should be. One step that many people skip in the job interview process is the review. Reviewing job interview is almost as important as the other steps. The review helps you realize what you did well, and what you could improve on
FACT_ORDER_ITEM product_id, customer_id, view_day, item_price, quantity, page_view_id, is_ordered Note: This table gets 100M/day and has data for 5+years DIM_CUSTOMER customer_id, address, age, education Note: this table has 1B records We need to create geographic and demographic dashboards based on these weekly, monthly, and yearly tables, keeping in mind the huge volume of data within them for any joins
Wat is het verschil tussen een Oracle DBMS en Hive van een conceptuele perspectief?
just basics about map reduce.
what are the transformations you did in your project
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