How do you know if a table is managed table or external table?

Question

Managed or external tables can be identified using the DESCRIBE FORMATTED table_name command, which will display either MANAGED_TABLE or EXTERNAL_TABLE depending on table type. 2 нояб. 2018 г.

What is the difference between an external table and a Hive managed table?

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.

How do I see all external tables in Hive?

You can try this command: SHOW TABLES [IN database_name] [identifier_with_wildcards]; It will give you all tables.

What is the difference between create table and create external table?

when we create a table in HIVE, HIVE by default manages the data and saves it in its own warehouse, where as we can also create an external table, which is at an existing location outside the HIVE warehouse directory. The main difference between these two types of tables is seen during LOAD and DROP statements.

What is a external table?

An external table is a table whose data come from flat files stored outside of the database.

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