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sys.trace_categories (Transact-SQL)

Applies to: SQL Server

Similar event classes are grouped by a category. Each row in the sys.trace_categories catalog view identifies a category that is unique across the server. These categories 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

This feature will be removed in a future version of 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.

Column name Data type Description
category_id smallint Unique ID of this category. This column is also in the sys.trace_events catalog view.
name nvarchar(128) Unique name of this category. This parameter is not localized.
type tinyint Category type:

0 = Normal

1 = Connection

2 = Error

Permissions

The visibility of the metadata in catalog views is limited to securables that a user either owns, or on which the user was granted some permission. For more information, see Metadata Visibility Configuration.

See Also

Object Catalog Views (Transact-SQL)
sys.traces (Transact-SQL)
sys.trace_columns (Transact-SQL)
sys.trace_events (Transact-SQL)
sys.trace_event_bindings (Transact-SQL)
sys.trace_subclass_values (Transact-SQL)