Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

  1. Categories >> Software >> Big Data >> Hadoop >> Apache Spark
  2. Suggest New Category

Explain first() operation in Apache Spark?

Question Posted / noopur


Explain first() operation in Apache Spark?..

Answer / Krishna Kumar

first() is a transformative action that returns the first element of a Resilient Distributed Dataset (RDD). If there are no elements in the RDD, it will return None (in Python) or null (in Scala).

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Apache Spark Interview Questions

What is executor memory and driver memory in spark?

1 Answers  

Apache Spark is a good fit for which type of machine learning techniques?

1 Answers  

What are the languages in which Apache Spark create API?

1 Answers  

What is RDD lineage graph? How does it enable fault-tolerance in Spark?

1 Answers  

Explain Spark SQL caching and uncaching?

1 Answers  

What is shark?

1 Answers  

In what ways sparksession different from sparkcontext?

1 Answers  

What are shared variables?

1 Answers  

What is external shuffle service in spark?

1 Answers  

Is spark an etl?

1 Answers  

What happens when an action is executed in spark?

1 Answers  

What is cluster mode in spark?

1 Answers  

For more Apache Spark Interview Questions Click Here
Categories