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DROP EVENT NOTIFICATION (Transact-SQL)

  • Artikel

Applies to: SQL Server Azure SQL Managed Instance

Removes an event notification trigger from the current database.

Transact-SQL syntax conventions

Syntax

  
DROP EVENT NOTIFICATION notification_name [ ,...n ]  
ON { SERVER | DATABASE | QUEUE queue_name }  
[ ; ]

Arguments

notification_name
Is the name of the event notification to remove. Multiple event notifications can be specified. To see a list of currently created event notifications, use sys.event_notifications (Transact-SQL).

SERVER
Indicates the scope of the event notification applies to the current server. SERVER must be specified if it was specified when the event notification was created.

DATABASE
Indicates the scope of the event notification applies to the current database. DATABASE must be specified if it was specified when the event notification was created.

QUEUE queue_name
Indicates the scope of the event notification applies to the queue specified by queue_name. QUEUE must be specified if it was specified when the event notification was created. queue_name is the name of the queue and must also be specified.

Remarks

If an event notification fires within a transaction and is dropped within the same transaction, the event notification instance is sent, and then the event notification is dropped.

Permissions

To drop an event notification that is scoped at the database level, at a minimum, a user must be the owner of the event notification or have ALTER ANY DATABASE EVENT NOTIFICATION permission in the current database.

To drop an event notification that is scoped at the server level, at a minimum, a user must be the owner of the event notification or have ALTER ANY EVENT NOTIFICATION permission in the server.

To drop an event notification on a specific queue, at a minimum, a user must be the owner of the event notification or have ALTER permission on the parent queue.

Examples

The following example creates a database-scoped event notification, then drops it:

USE AdventureWorks2022;  
GO  
CREATE EVENT NOTIFICATION NotifyALTER_T1  
ON DATABASE  
FOR ALTER_TABLE  
TO SERVICE 'NotifyService',  
    '8140a771-3c4b-4479-8ac0-81008ab17984';  
GO  
DROP EVENT NOTIFICATION NotifyALTER_T1  
ON DATABASE;

See Also

CREATE EVENT NOTIFICATION (Transact-SQL)
EVENTDATA (Transact-SQL)
sys.event_notifications (Transact-SQL)
sys.events (Transact-SQL)