Purpose
You can use this statement to drop one or more views.
Notice
To execute this statement, you must have the DROP privilege for each view.
Syntax
drop_view_stmt:
DROP VIEW [IF EXISTS] view_name_list [CASCADE | RESTRICT];
view_name_list:
view_name [, view_name_list]
Parameters
| Parameter | Description |
|---|---|
| IF EXISTS | The IF EXISTS keyword prevents the error that occurs because the view to be dropped does not exist. |
| view_name_list | If view_name_list contains views that do not exist, an error may be reported during execution but the specified views that exist are dropped. |
| CASCADE | RESTRICT | CASCADE specifies that the objects dependent on the view are automatically dropped. RESTRICT specifies that the view cannot be dropped if an object that depends on the view exists. Note The current version does not support this parameter. If this parameter is specified, it will be parsed and ignored. |
Examples
Drop the
v1view.obclient> DROP VIEW v1; Query OK, 0 rows affected (0.02 sec)Drop the
v1andv2views.obclient> DROP VIEW IF EXISTS v1,v2; Query OK, 0 rows affected, 1 warning (0.01 sec)Drop multiple views without using the
IF EXISTSclause. If a view does not exist, an error is returned.obclient> DROP VIEW v1,v2; ERROR 1051 (42S02): Unknown table 'test.v1'
