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공부

[Spark] Cross (= Cartesian) Join

승가비 2020. 5. 2. 18:13
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return SparkSession
        .builder()
        .appName(appName)
        .config("spark.sql.warehouse.dir", c3.getPath())
        .config("spark.sql.crossJoin.enabled", true)
        .enableHiveSupport()
        .getOrCreate();

https://medium.com/@achilleus/https-medium-com-joins-in-apache-spark-part-2-5b038bc7455b

 

Joins in Apache Spark — Part 2

In Part 1, we have covered some basic aspects of Spark join and some basic types of joins and how do they work in spark. In this section…

medium.com

 

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