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May 2017

15

May'17

301.3.7-Joins

  Hive Joins Supports only equality joins a.key=b.key Doesn’t support a.key<b.key type of joins as of now Joins with Non-equality …

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15

May'17

301.1.4-Handling Big Data

Bigdata Tool Analysis on this Bigdata can give us awesome insights. But, by definition, the bigdata can’t be handled using …

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15

May'17

301.3.6-Basic commands using HQL

    Basic commands using HQL Count(*)in Hive A simpe count Query select count(*) from stack_overflow_tags; Group by in Hive …

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15

May'17

301.3.5-Hive Basic Vocabulary and Hive Query Language

  Hive Basic Vocabulary Databases, Tables and more Databases: Contains tables, views, partitions etc., Tables: Data records with same schema. …

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15

May'17

301.3.4-Hive Architecture

  Hive Architecture Metastore The component that store the system catalog and meta data about tables, columns, partitions etc. Stored …

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15

May'17

301.3.3-Hive vs RDBMS

  Hive is different from RDBMS You may think hive as Bigdata version of a Relational database management system(RDBMS). There …

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