| --- |
| title: DROP VIEW |
| --- |
| |
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| |
| Removes a view. |
| |
| ## <a id="topic1__section2"></a>Synopsis |
| |
| ``` pre |
| DROP VIEW [IF EXISTS] <name. [, ...] [CASCADE | RESTRICT] |
| ``` |
| |
| ## <a id="topic1__section3"></a>Description |
| |
| `DROP VIEW` will remove an existing view. Only the owner of a view can remove it. |
| |
| ## <a id="topic1__section4"></a>Parameters |
| |
| <dt>IF EXISTS </dt> |
| <dd>Do not throw an error if the view does not exist. A notice is issued in this case.</dd> |
| |
| <dt>\<name\> </dt> |
| <dd>The name (optionally schema-qualified) of the view to remove.</dd> |
| |
| <dt>CASCADE </dt> |
| <dd>Automatically drop objects that depend on the view (such as other views).</dd> |
| |
| <dt>RESTRICT </dt> |
| <dd>Refuse to drop the view if any objects depend on it. This is the default.</dd> |
| |
| ## <a id="topic1__section5"></a>Examples |
| |
| Remove the view `topten`; |
| |
| ``` pre |
| DROP VIEW topten; |
| ``` |
| |
| ## <a id="topic1__section6"></a>Compatibility |
| |
| `DROP VIEW` is fully conforming with the SQL standard, except that the standard only allows one view to be dropped per command. Also, the `IF EXISTS` option is a HAWQ extension. |
| |
| ## <a id="topic1__section7"></a>See Also |
| |
| [CREATE VIEW](CREATE-VIEW.html) |