通过

UpdateStatistics Method

  • 项目

后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。

The UpdateStatistics method forces data distribution statistics update for a referenced Microsoft SQL Server index or all indexes defined on a SQL Server table.

语法

object
.UpdateStatistics(
)

Parts

  • object
    Expression that evaluates to an object in the Applies To list.

Prototype (C/C++)

HRESULT UpdateStatistics( );

备注

Index-based, data distribution statistics support SQL Server query optimization. Data distribution statistics are calculated for an index when the index is first used in query optimization or at user direction. Statistics are updated automatically at configurable intervals and at user direction.

Applies To:

Index Object

Table Object