Query Notifications Event Category
The
event category contains event classes that report information that
developers and administrators can use to monitor and troubleshoot query notifications.
QN:Dynamics Event Class
Reports information about the background activity that the Database Engine performs to
support query notifications.
QN:Parameter Table Event Class
Reports information about the operations required to create, maintain, and drop the internal
tables that store parameter information for subscriptions.
QN:Subscription Event Class
Reports information about notification subscriptions.
QN:Template Event Class
Reports information about the internal use of query templates.
SQL Trace
Profiler
sp_trace_setevent (Transact-SQL)