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Create Table as SELECT - Hive SQL

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This page shows how to create a managed(internal) Hive table from a SELECT statement via Hive SQL (HQL).

Create table as select


CREATE TABLE IF NOT EXISTS hql.transactions_copy
SELECT * FROM hql.transactions;

A MapReduce job will be submitted to create the table from SELECT statement.

Create table like

CREATE TABLE LIKE statement will create an empty table as the same schema of the source table. 


CREATE TABLE IF NOT EXISTS hql.transactions_empty
LIKE hql.transactions;

Install Hive database

Follow the article below to install Hive on Windows 10 via WSL if you don't have available available Hive database to practice Hive SQL:

Examples on this page are based on Hive 3.* syntax.

Run query

All these SQL statements can be run using beeline CLI:

$HIVE_HOME/bin/beeline --silent=true

The above command line connects to the default HiveServer2 service via beeline. Once beeline is loaded, type the following command to connect:

0: jdbc:hive2://localhost:10000> !connect jdbc:hive2://localhost:10000
Enter username for jdbc:hive2://localhost:10000: hive
Enter password for jdbc:hive2://localhost:10000:
1: jdbc:hive2://localhost:10000>

The terminal looks like the following screenshot:

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