Hive drop external table

Use only this statement (without alter table ): DROP TABLE external_hive_table;. Does DROP PARTITION delete data from external. Although I agree with pensz, a slight alteration, you need not drop the table.

Just replace the external hdfs file with whichever new file you want . Solved: I have a lot of external table in my hive warhouse and I would to drop all these tables with data automatically. Is there a way to convert locally managed table to. Solved: how we can get the data from dropped external tabl.

Use Drop command (e.g. Drop employee) to drop hive table data. If its Hive Managed table , hive will delete table structure as well as data associated with hive table. What is benefit for use external table and what.

Difference between Hive internal tables and. There is no DROP EXTERNAL TABLE statement in the SQL standard. When you run DROP TABLE on an external table , by default Hive drops only the metadata (schema). In this task, you create an external table , store the data in Hive using a managed table, and drop the external table.

You create an external table and load data . In this video, how to delete the data from External hive tables. You can easily delete the files from his. Tutorial on creation of internal and external table , loading data in it, creating views, indexes and dropping table.

Apache Hive Internal Tables vs External Tables cover feature wise difference. Then this will delete the table metadata including its data. Dropping external table in Hive. This means the data is removed once the internal table is dropped. If the external table is dropped , the table metadata is deleted but the data is kept.

I keep making the same mistake of creating an external table without saying EXTERNAL. As a result, as you can imagine, I am . DROP : it drops the table along with the data associated with Hive Meta store. TABLE with EXTERNAL keyword then you can NOT remove . The default VALUE and METADATA$FILENAME columns cannot be dropped. Hive tables can be created as EXTERNAL or INTERNAL.

Data needs to remain in the underlying location even after a DROP TABLE. I have dropped one table and after that i get to know my hdfs file also deleted. Vertica does not create superprojections for external tables , since external.

External table is created for external use as when the data is used outside Hive. If ORC or Parquet data is partitione Vertica expects Hive -style partitioning. The main difference is that when you drop an external table , the underlying data files.

With a managed table, the underlying directories and data get wiped out . An error occurs if you attempt to drop a table or . Normal Tables: Hive manages the normal tables created and moves the data into. Solved: Hi, When we drop a managed table , Hive deletes the data in the. The properties that apply to Hive connector security are listed in the Hive Configuration Properties table.

Drop the external table request_logs. If you are not using just Hive but .