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Instant Apache Hive essentials how-to

Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks.This book provides quick recipes for using Hive to read data in various formats, efficiently querying this data, and extending Hive with any custom functions you may need to insert your ow...

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Detalles Bibliográficos
Autor principal: Lee, Darren
Lenguaje:eng
Publicado: Packt Publ. 2013
Materias:
Acceso en línea:http://cds.cern.ch/record/1604116
Descripción
Sumario:Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks.This book provides quick recipes for using Hive to read data in various formats, efficiently querying this data, and extending Hive with any custom functions you may need to insert your own logic into the data pipeline.This book is written for data analysts and developers who want to use their current knowledge of SQL to be more productive with Hadoop. It assumes that readers are comfortable writing SQL queries and are familiar with Hadoop at the level of the classic WordCount exampl