Bringing it all together I
You've built a solid foundation in PySpark, explored its core components, and worked through practical scenarios involving Spark SQL, DataFrames, and advanced operations. Now it’s time to bring it all together. Over the next two exercises, you're going to make a SparkSession, a Dataframe, cache that Dataframe, conduct analytics and explain the outcome!
Este exercício faz parte do curso
Introduction to PySpark
Instruções do exercício
- Import
SparkSessionfrompyspark.sql. - Make a new
SparkSessioncalledfinal_sparkusingSparkSession.builder.getOrCreate(). - Print
my_sparkto the console to verify it's aSparkSession. - Create a new DataFrame from a preloaded schema and column definition.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Import SparkSession from pyspark.sql
from ____ import ____
# Create my_spark
my_spark = SparkSession.builder.appName(____).____
# Print my_spark
____
# Load dataset into a DataFrame
df = ____(data, schema=columns)
df.show()