Hive Table Creation | Hive Tables | Hive View | Hive Tutorial | Big Data Tutorials for Beginners

Published: 23 July 2018
on channel: ACADGILD
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Hive Tables in Hadoop | Hive View in Hadoop | Hive Tutorial | Big Data Tutorials for Beginners
https://acadgild.com/big-data/big-dat...
Welcome to Hadoop Hive tutorial conducted by Acadgild. In this Hadoop online tutorial, we will take you through an in-depth introduction to Hive Tables and Hive Views.

Check out the hands-on execution of creating hive tables in Hadoop.
• THE CREATE TABLE statement follows SQL conventions, but Hive’s version offers significant extensions to support a wide range of flexibility where the data files for tables are stored, the formats used, etc.
• DROP TABLE IF EXISTS emp_details:
• Most table properties can be altered with ALTER TABLE statements, which change metadata about the table but not the data itself
• Renaming Table
• Use this statement to rename the table emp_deatails to employee_details;
• Changing Columns
• You can rename a column, change its position, type or comment:
• ALTER TABLE emp_details
• CHANGE COLUMN emp_name emp_name STRING
• COMMENT ‘Employee Name’
• AFTER unit;
• You have to specify the old name, a new name, and the type, even if the name or type
• Is not changing
Kindly go through the complete video for an in-depth hive tutorial.
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