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301.3.2-Hive Introduction

 

Hive

  • Hive runs on top of Hadoop
  • Hive is SQL on top of Hadoop
  • Our Sql queries are converted into MapReduce programs and executed on top of hive data warehouse tables
  • Developed by Facebook
  • Further developed and maintained by Apache Software Foundation
  • Majorly used for basic statistics, reporting and data analytics

Features of Hive

  • Enables easy data summarization
  • Ad-hoc analysis of large volumes of data
  • SQL like queries
  • Scaling-up is easy

LAB: Start Hive

Start Hive

hive

Show tables

show tables;

 

22nd March 2018

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