How to add an index Column in Spark Dataframe? | www.smartdatacamp.com
Check Out Full Stack Data Engineering Bootcamp – 25+ Courses: https://www.smartdatacamp.com/courses...
Use discount code - COMBO50 and get upto 50% off
In this video, you'll learn three different methods to add an index column to your Apache Spark DataFrame. We'll demonstrate and explain each method, including:
StringIndexer: How to create a numeric index based on a string column.
monotonically_increasing_id: A function to generate a monotonically increasing ID, and why it is not the recommended approach.
row_number with Window Function: The recommended and most robust method for creating a sequential index.
This tutorial is essential for data cleaning and preparation tasks in your data engineering projects.
By attending this course you will get to know frequently and most likely asked Programming, Scenario based, Fundamentals, and Performance Tuning based Question asked in Apache Spark Interview along with the answer This will help Apache Spark Career Aspirants to prepare for the interview.
Course: https://www.smartdatacamp.com/s/store...
Package: https://www.smartdatacamp.com/s/store...
Discount Coupon in the below link:
https://www.udemy.com/course/apache-s...
Get access to 25+ Complete Courses covering Big Data, Spark, Hadoop, Hive, Machine Learning, Visualization, and AI Tools – everything you need to become a Full Stack Data Engineer.
Facebook Page: / smartdatacamp
Instagram Page: / smartdatacamp
Free Projects Website: www.projectsbasedlearning.com
Facebook Page: / projectsbasedlearning123
Paid Udemy Courses : https://buff.ly/3vzHp1L
Telegram Link: https://t.me/ApacheSparkDevelopers
LinkedIn Page: / projects-based-learning-bigdata-hadoop-mac...
LinkedIn Page: / smart-data-camp