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MissingColumnStatistics 属性

Gets or sets a Boolean property value that specifies whether the event is included in the event set. The event occurs when column statistics that would be useful for the optimizer are not available.

命名空间：  Microsoft.SqlServer.Management.Smo
程序集：  Microsoft.SqlServer.Smo（在 Microsoft.SqlServer.Smo.dll 中）

语法

声明
Public Property MissingColumnStatistics As Boolean
    Get
    Set
用法
Dim instance As ServerTraceEventSet
Dim value As Boolean

value = instance.MissingColumnStatistics

instance.MissingColumnStatistics = value

public bool MissingColumnStatistics { get; set; }

public:
property bool MissingColumnStatistics {
    bool get ();
    void set (bool value);
}

member MissingColumnStatistics : bool with get, set

function get MissingColumnStatistics () : boolean
function set MissingColumnStatistics (value : boolean)

属性值

类型：System. . :: . .Boolean
A Boolean value that specifies whether the MissingColumnStatistics event is included in the event set.
If True, the event is included in the event set.
If False (default), the event is not included in the event set.

注释

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。