sys.trace_subclass_values (języka Transact-SQL)
The sys.trace_subclass_values catalog view contains a list of named column values. These subclass values do not change for a given version of the SQL Server Database Engine.
For a complete list of supported trace events, see SQL Server Event Class Reference.
Column name |
Data type |
Description |
|---|---|---|
trace_event_id |
smallint |
ID of the trace event. This parameter is also in the sys.trace_events catalog view. |
trace_column_id |
smallint |
ID of the trace column used for enumeration. This parameter is also in the sys.trace_columns catalog view. |
subclass_name |
nvarchar(128) |
Meaning of the column value. |
subclass_value |
smallint |
Column value. |
Permissions
In SQL Server 2005 and later versions, the visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Konfiguracja widoczność metadane.