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sys.trace_subclass_values (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.

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 Metadata Visibility Configuration.

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