What is Dataframe | Dataframe API | Spark tutorial | Spark dataframes | Spark interview questions

Описание: We are making a complete collection of 2019 Spark interview questions and Apache Spark tutorial.This video is an addition to the collection. In this video we are making an introduction about dataframes in Spark.

Dataframes are table like collection and elements within them are of ROW type and dataframe datastructure goes through catalyst optimizer and tungsten to get optimized.

We are dealing with - dataframe in Spark- Why it is called as untyped and idea behind that - How it gets optimized.


About channel
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We are trying to make video series on technical interview questions on various skills for experienced and freshers. This is based on the industry experience. We are trying to compile all the

possible questions with answers and give you the core concepts of the topic.

We will present a series on tutorial on various skill sets as well. Our first tutorial will be on Apache Spark and we will present it soon.

Our aim is to make a difference in your learning.

Please subscribe to our channel and stay connected.

Thank you so much.

e-mail:- [email protected]


Our video links
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Parquet with Spark :    • Apache Parquet and Apache Spark | Spark in...  
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Type safety in Dataframe vs Dataset - Part 2 :    • Type Safety in Dataset vs Dataframe ( Part...  
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Type safety in Dataframe vs Dataset - Part 1 :    • Type Safety in Dataset vs Dataframe ( Part...  
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Broadcast variable example :    • Broadcast variable example | Spark Intervi...  
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Broadcast variable vs Normal variable :    • Broadcast variable in Spark |Shared variab...  
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RDD vs Dataframe vs Dataset :    • RDD vs Dataframe vs Dataset | Spark Interv...  
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toDF() vs createDataFrame() :    • Spark Interview Questions and Answers Seri...  
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User defined function Part -1 :    • UDF ( Part 1) |  User defined function  | ...  
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User defined function Part - 2 :    • UDF (Part 2) | user defined function Examp...  
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Dataframe :    • What is Dataframe | Dataframe API | Spark ...  
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What is Apache Spark :    • What is Spark | Spark interview question |...  
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