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EnumLastStatisticsUpdates Method

  • 發行項

未來的 Microsoft SQL Server 發行版本將不再提供此功能。請避免在新的開發工作中使用此功能，並計劃修改目前使用此功能的應用程式。

The EnumLastStatisticsUpdates method returns a QueryResults object that enumerates the query optimizing statistics maintained on a table.

語法

object
.EnumLastStatisticsUpdates( [ IndexName ] )
as QueryResults

Parts

  • object
    Expression that evaluates to an object in the Applies To list.
  • IndexName
    Optional. String that names an existing index and that restricts output to the index named.

Prototype (C/C++)

HRESULT EnumLastStatisticsUpdates(
LPSQLDMOQUERYRESULTS* ppResults,
SQLDMO_LPCSTR IndexName = NULL);

Returns

A QueryResults object that contains one result set defined by these columns.

Column Data type Description

last update

smalldatetime

Date and time of most recent update. When NULL, the distribution statistics have not been updated after object creation.

name

nvarchar(129)

Index name or statistics definition name.

備註

Data distribution statistics are maintained for indexes defined on a table and as directed by the user. By default, the EnumLastStatisticsUpdates method returns a result set that contains rows referencing both indexes and system and user-defined data distribution statistics.

Applies To:

Table Object