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Python Java Scala Perl Shell

Python SQL Server MYSQL Scala Hadoop

Java Spring Framework Hadoop Spark Scala

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Spark Scala Hadoop Kafka

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Python/Scala SQL Big Data GCP Hive

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Java Scala C/C++. (Map/Reduce Hadoop

Spark Spark engine Scala PySpark Pig

ETL YARN Spark Hive Hadoop

ETL Hadoop Apache Spark Python

Python SQL Scala Java NoSQL