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  • 301.3.6-Basic commands using HQL

    May 15,2017 / Bigdata / 0 Comments

        Basic commands using HQL Count(*)in Hive A simpe count Query select count(*) from stack_overflow_tags; Group by in Hive The output is too big. We need to give the...

  • 301.3.5-Hive Basic Vocabulary and Hive Query Language

    May 15,2017 / Bigdata / 0 Comments

      Hive Basic Vocabulary Databases, Tables and more Databases: Contains tables, views, partitions etc., Tables: Data records with same schema. For example quarterly month sales...

  • 301.3.4-Hive Architecture

    May 15,2017 / Bigdata / 0 Comments

      Hive Architecture Metastore The component that store the system catalog and meta data about tables, columns, partitions etc. Stored on a traditional RDBMS Driver component ...

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