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Apache Hive Essentials by Dayong Du

By Dayong Du

Immerse your self on a lovely trip to find the attributes of huge info through the use of Hive

About This Book

  • Discover how Hive can coexist and paintings with different instruments within the Hadoop surroundings to create colossal info solutions
  • Grasp the abilities wanted, examine the easiest practices, and keep away from the pitfalls in writing effective Hive queries to research the large data
  • Create an atmosphere to investigate enormous facts utilizing functional, example-oriented scenarios

Who This e-book Is For

If you're a information analyst, developer, or just an individual who desires to use Hive to discover and study facts in Hadoop, this can be the ebook for you. no matter if you're new to special info or a professional, with this booklet, it is possible for you to to grasp either the fundamental and the complicated positive factors of Hive. on the grounds that Hive is an SQL-like language, a few prior event with the SQL language and databases comes in handy to have a greater realizing of this book.

What you'll Learn

  • Create and manage the Hive environment
  • Discover tips on how to use Hive's definition language to explain data
  • Discover fascinating information by way of becoming a member of and filtering datasets in Hive
  • Transform facts through the use of Hive sorting, ordering, and functions
  • Aggregate and pattern information in several ways
  • Boost Hive question functionality and increase info safeguard in Hive
  • Customize Hive for your wishes by utilizing user-defined features and combine it with different tools

In Detail

In this publication, we arrange you to your trip into great info by means of to begin with introducing you to backgrounds within the monstrous information area in addition to the method of developing and getting acquainted with your Hive operating setting. subsequent, the publication publications you thru researching and remodeling the values of huge information with the aid of examples. It additionally hones your ability in utilizing the Hive language in an effective demeanour. in the direction of the tip, the booklet specializes in complex themes resembling functionality, defense, and extensions in Hive, with a view to consultant you on intriguing adventures in this important sizeable info journey.

By the tip of the e-book, you'll be conversant in Hive and ready to paintings successfully to discover suggestions to important facts problems.

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Security Considerations Authentication Metastore server authentication HiveServer2 authentication Authorization Legacy mode Storage-based mode SQL standard-based mode Encryption Summary 10. Working with Other Tools JDBC / ODBC connector HBase Hue HCatalog ZooKeeper Oozie Hive roadmap Summary Index Apache Hive Essentials Apache Hive Essentials Copyright © 2015 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Work_place ARRAY, . . . > sex_age STRUCT, . . . > skills_score MAP, . . . > depart_title MAP> . . . > ) . . . > ROW FORMAT DELIMITED . . . > FIELDS TERMINATED BY '|' . . . > COLLECTION ITEMS TERMINATED BY ',' . . . txt' . . . 231 seconds) jdbc:hive2://> SELECT work_place[0] AS col_1, . . . > work_place[1] AS col_2, work_place[2] AS col_3 . . . 659 seconds) jdbc:hive2://> SELECT name, skills_score['DB'] AS DB, .

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