Hive Create Database

Hive Create Database with tutorial, introduction, environment setup, first app hello world, state, props, flexbox, height and width, listview, scrollview, images, buttons, router, etc.

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Hive - Create Database

In Hive, the database is considered as a catalog or namespace of tables. So, we can maintain multiple tables within a database where a unique name is assigned to each table. Hive also provides a default database with a name default.

Initially, we check the default database provided by Hive. So, to check the list of existing databases, follow the below command: -

hive> show databases;

Here, we can see the existence of a default database provided by Hive.

Let's create a new database by using the following command: -

hive> create database demo;

So, a new database is created.

Let's check the existence of a newly created database.

hive> show databases;

Each database must contain a unique name. If we create two databases with the same name, the following error generates: -

If we want to suppress the warning generated by Hive on creating the database with the same name, follow the below command: -

hive> create a database if not exists demo;

Hive also allows assigning properties with the database in the form of key-value pair.

hive>create the database demo
		>WITH DBPROPERTIES ('creator' = 'Gaurav Chawla', 'date' = '2019-06-03');

Let's retrieve the information associated with the database.

hive> describe database extended demo;

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Hive Create Database

Hive - Create Database

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