DROP EXTERNAL TABLE
Description
drops an existing external table definition from the database system. The external data sources or files are not deleted. To execute this command you must be the owner of the external table.
WEB
Optional keyword for dropping external web tables.
IF EXISTS
name
The name (optionally schema-qualified) of an existing external table.
CASCADE
Automatically drop objects that depend on the external table (such as views).
Refuse to drop the external table if any objects depend on it. This is the default.
Examples
Remove the external table named if it exists:
There is no statement in the SQL standard.