sys.trace_columns (Transact-SQL)


THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)noAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

The sys.trace_columns catalog view contains a list of all trace event columns. These columns 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.

System_CAPS_ICON_important.jpg 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 nameData typeDescription
trace_column_idsmallintUnique ID of this column.
namenvarchar(128)Unique name of this column. This parameter is not localized.
type_namenvarchar(128)Data type name of this column.
max_sizeintMaximum data size of this column in bytes.
is_filterablebitIndicates whether the column can be used in filter specification.

0 = false

1 = true
is_repeatablebitIndicates whether the column can be referenced in the "repeated column" data.

0 = false

1 = true
is_repeated_basebitIndicates whether this column is used as a unique key for referencing repeated data.

0 = false

1 = true

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.

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

Community Additions