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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.

Important note Important

This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. Use Extended Event catalog views instead.

Applies to: SQL Server (SQL Server 2008 through current version).

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.

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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