January 2019
Beginner to intermediate
154 pages
4h 31m
English
DataFrames support untyped transformations with the following operations:
//Scalaimport spark.implicits._// Print the schema in a tree formatsales_df.printSchema()//Javaimport static org.apache.spark.sql.functions.col;// Print the schema in a tree formatsales_df.printSchema();#Python# Print the schema in a tree formatsales_df.printSchema()
The output you get should look like this:
