how to process a pig - Wikitechy https://www.wikitechy.com/interview-questions/tag/how-to-process-a-pig/ Interview Questions Wed, 15 Sep 2021 05:17:20 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png how to process a pig - Wikitechy https://www.wikitechy.com/interview-questions/tag/how-to-process-a-pig/ 32 32 What is Apache Pig ? https://www.wikitechy.com/interview-questions/apache-pig/what-is-apache-pig/ https://www.wikitechy.com/interview-questions/apache-pig/what-is-apache-pig/#respond Mon, 12 Jul 2021 01:13:57 +0000 https://www.wikitechy.com/interview-questions/?p=148

Apache Pig

    • Apache Pig is used to creating programs that runs on Apache Hadoop.
    • Pig Latin is a language.
    • It execute in Hadoop jobs,MapReduce, Apache Tez, or Apache Spark
Big Data
The programming from the Java MapReduce idiom into a notation which makes MapReduce high level, similar to SQL for relational database management systems.
  • The user-defined functions (UDFs) called Pig Latin user can write in Java, Python, JavaScript, Ruby or Groovy.
Creating your first pig script

Advantages of Pig

  • Reusing the code
  • Quick development
  • Less lines of code
  • Type checking and Schema etc.

Simple program for pig:

  • Map: The data element consisting the data type chararray where element has pig data type include complex data type
  • Example- [city’#’bang’,’pin’#560001].
  • The city and pin are data element mapping the values here.
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