How can you create and manage databases in Hive?

Question

Go to Hive shell by giving the command sudo hive and enter the command 'create database' to create the new database in the Hive. To list out the databases in Hive warehouse, enter the command 'show databases'. The database creates in a default location of the Hive warehouse. 29 мар. 2022 г.

How does Hive manage databases?

The location for external hive database is “/warehouse/tablespace/external/hive/” and the location for manage database is “/warehouse/tablespace/managed/hive”. In the older version of the hive, the hive database's default storage location is “/apps/hive/warehouse/”.

When a database is created in Hive?

Hive is a database technology that can define databases and tables to analyze structured data. The theme for structured data analysis is to store the data in a tabular manner, and pass queries to analyze it. This chapter explains how to create Hive database. Hive contains a default database named default.

How do I create a managed table in Hive?

Steps:1Create a table called nyse in hive and load data from your home folder in the web console. Login to the web console. ... 2Create a table called nyse_hdfs in hive and load data from your home folder in HDFS. Copy NYSE_daily dataset from data directory in HDFS to your home directory in HDFS.

Does Hive have database?

Hive stores its database and table metadata in a metastore, which is a database or file backed store that enables easy data abstraction and discovery.

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