Removes an external table definition.

Synopsis

DROP EXTERNAL [WEB] TABLE [IF EXISTS] <name> [CASCADE | RESTRICT]

Description

DROP EXTERNAL TABLE drops an existing external table definition from the database system. The external data sources or files are not deleted. To run this command you must be the owner of the external table.

Parameters

WEB
Optional keyword for dropping external web tables.
IF EXISTS
Do not throw an error if the external table does not exist. A notice is issued in this case.
name
The name (optionally schema-qualified) of an existing external table.
CASCADE
Automatically drop objects that depend on the external table (such as views).
RESTRICT
Refuse to drop the external table if any objects depend on it. This is the default.

Examples

Remove the external table named staging if it exists:

DROP EXTERNAL TABLE IF EXISTS staging;

Compatibility

There is no DROP EXTERNAL TABLE statement in the SQL standard.

See Also

CREATE EXTERNAL TABLE, ALTER EXTERNAL TABLE

Parent topic: SQL Commands

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