UpdateStatistics Method
Dieses Feature wird in einer zukünftigen Version von Microsoft SQL Server entfernt. Verwenden Sie dieses Feature beim Entwickeln neuer Anwendungen nicht, und planen Sie das Ändern von Anwendungen, in denen es zurzeit verwendet wird.
The UpdateStatistics method forces data distribution statistics update for a referenced Microsoft SQL Server index or all indexes defined on a SQL Server table.
Syntax
object
.UpdateStatistics(
)
Parts
- object
Expression that evaluates to an object in the Applies To list.
Prototype (C/C++)
HRESULT UpdateStatistics( );
Hinweise
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.