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Interview questions
Oozie join condition?
Partitioning a table with card details and transactions?
Teradata to Hadoop migration and handling data with SCD Type 2?
What is a Kafka topic, and how do you choose the number of partitions for it?
What is the role of a partition in Kafka, and how does it impact scalability?
Describe how to pass data between tasks in Airflow using XComs.
Explain the concept of RDD, DataFrame, and Dataset in PySpark.
Explain the concept of consumer groups in Kafka. How do they affect message processing?
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