# 介绍

主要功能：

![](/files/-LokoTUH7ulK5ZCJI4k0)

spark数据处理：RDD、DataFrame、Spark SQL，差别在于`是否定义Schema`

![](/files/-LokoTUJz8QpyxYHalhN)

`spark sql`只需要SQL语句即可

![](/files/-LokoTULLx6uABClHfO0)

`spark DataFrame`，类似python dataframe 需要一点编程

![](/files/-LokoTUNbl2zNKvgirXe)

`spark rdd`，需要编程能力

![](/files/-LokoTUP2BGtVYxRtnZM)


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