How do I create a managed and external table in Hive?

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Create a Hive External Table – Example Step 1: Prepare the Data File. Create a CSV file titled 'countries.csv': sudo nano countries.csv. . Step 2: Import the File to HDFS. Create an HDFS directory. . Step 3: Create an External Table.

How do I create a manage 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.Hive - Managed Tables - Hands-on - CloudxLab

What is external table and managed table in Hive?

Managed tables are Hive owned tables where the entire lifecycle of the tables' data are managed and controlled by Hive. External tables are tables where Hive has loose coupling with the data. All the write operations to the Managed tables are performed using Hive SQL commands.

What is the difference between managed table and external table?

¶ The main difference is that when you drop an external table, the underlying data files stay intact. This is because the user is expected to manage the data files and directories. With a managed table, the underlying directories and data get wiped out when the table is dropped.

What are the two types of tables in Hive?

Fundamentally, Hive knows two different types of tables: Internal table and the External table. The Internal table is also known as the managed table.

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