Book Image

Apache Hive Cookbook

Book Image

Apache Hive Cookbook

Overview of this book

Hive was developed by Facebook and later open sourced in Apache community. Hive provides SQL like interface to run queries on Big Data frameworks. Hive provides SQL like syntax also called as HiveQL that includes all SQL capabilities like analytical functions which are the need of the hour in today’s Big Data world. This book provides you easy installation steps with different types of metastores supported by Hive. This book has simple and easy to learn recipes for configuring Hive clients and services. You would also learn different Hive optimizations including Partitions and Bucketing. The book also covers the source code explanation of latest Hive version. Hive Query Language is being used by other frameworks including spark. Towards the end you will cover integration of Hive with these frameworks.
Table of Contents (19 chapters)
Apache Hive Cookbook
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Showing create table


In this recipe, you will learn how to see the create statement of a table in Hive.

Getting ready

This command shows the CREATE TABLE statement of a table. The general syntax for showing the CREATE TABLE statement is as follows:

SHOW CREATE TABLE ([db_name.]table_name|view_name);

Where:

[db_name.]: Is an optional clause. This is used when you want to see the CREATE TABLE statement of a table from a different database.

How to do it…

Use the following commands to show CREATE TABLE in Hive:

  • This command will show the CREATE TABLE statement for the Sales table:

    Show create table Sales;
    
  • This command will show the CREATE TABLE statement for the Sales table under the Hive_learning database:

    Show create table Hive_learning.Sales;