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Apache Hive Cookbook

You're reading from   Apache Hive Cookbook

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Product type Paperback
Published in Apr 2016
Publisher Packt
ISBN-13 9781782161080
Length 268 pages
Edition 1st Edition
Languages
Tools
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Authors (3):
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Hanish Bansal Hanish Bansal
Author Profile Icon Hanish Bansal
Hanish Bansal
Saurabh Chauhan Saurabh Chauhan
Author Profile Icon Saurabh Chauhan
Saurabh Chauhan
Shrey Mehrotra Shrey Mehrotra
Author Profile Icon Shrey Mehrotra
Shrey Mehrotra
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Table of Contents (19) Chapters Close

Apache Hive Cookbook
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
1. Developing Hive FREE CHAPTER 2. Services in Hive 3. Understanding the Hive Data Model 4. Hive Data Definition Language 5. Hive Data Manipulation Language 6. Hive Extensibility Features 7. Joins and Join Optimization 8. Statistics in Hive 9. Functions in Hive 10. Hive Tuning 11. Hive Security 12. Hive Integration with Other Frameworks Index

Authorizing Hive


Hive authorization is about verifying that a user is authorized to perform a particular action. Authentication is about verifying the identity of a user, which is different from the authorization concept.

Hive can be used in the following different ways:

  • HCatalog API: Hive's HCatalog API is used to access Hive by many other frameworks, such as Apache Pig, MapReduce, Facebook Presto, Spark SQL, and Cloudera Impala. Using Hcatalog API, the users have direct access to HDFS data and Hive metadata. Hive metadata is directly accessible using the metastore server API.

  • Hive Command Line Interface (CLI): Using Hive CLI also, users have direct access to HDFS data and Hive metadata. Hive CLI directly interacts with the Hive metastore server. Currently, Hive CLI don't support rich authorization. In next versions of Hive, Hive CLI's implementation will be changed to provide better security, and also Hive CLI will interact with HiveSerer2 rather than directly interacting with the metastore...

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