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Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

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DROP VIEW

Function

DROP VIEW forcibly deletes an existing view in a database.

Precautions

  • Only a view owner or a system administrator can run DROP VIEW command.
  • The database stores only the definition of a view, but does not store the data corresponding to the view. If the base table remains unchanged, you can run the CREATE VIEW command to recreate a view that is deleted by mistake.

Syntax

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DROP VIEW [ IF EXISTS ] view_name [, ...] [ CASCADE | RESTRICT ];

Parameter Description

  • IF EXISTS

    Sends a notice instead of an error if the specified view does not exist.

  • view_name

    Specifies the name of the view to be deleted.

    Value range: An existing view.

  • CASCADE | RESTRICT
    • CASCADE: deletes objects (such as other views) that depend on a view to be deleted.
    • RESTRICT: refuses to delete the view if any objects depend on it. This is the default.

Examples

Delete the myView view:

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DROP VIEW myView;

Delete the customer_details_view_v2 view:

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DROP VIEW public.customer_details_view_v2;

Helpful Links

ALTER VIEW, CREATE VIEW

Parent topic: DDL Syntax