Do you recommend which pages we should have try and make myself comfortable.

Answer

for Python use below

 

CRT020 Spark Scala Certification CRT020 : PySpark Databricks Certification Hortonworks HDPSCD2019 Spark Scala Certification Exam Spark Professional Training Spark SQL Hands Training  PySpark : HandsOn Professional Training PySpark Structured Streaming Read Spark SQL Fundamental and Cookbookhttps://sites.google.com/training4exam.com/spark-sql-2-x-fundamentals/ Spark Interview Questions Cloudera CCA175 Hadoop and Spark Developer Certifications

For Scala use below

  1. https:#spark.apache.org/docs/latest/api/scala/#org.apache.spark.sql.package

In this check API related to below components

  • -          Dataset/DataFrame
  • -          Row
  • -          DataFrameReader
  • -          DataFrameWriter
  • -          Column