Clase Statistic
The Statistic class represents a SQL Server statistic counter.
Jerarquía de herencia
System.Object
Microsoft.SqlServer.Management.Smo.SmoObjectBase
Microsoft.SqlServer.Management.Smo.SqlSmoObject
Microsoft.SqlServer.Management.Smo.NamedSmoObject
Microsoft.SqlServer.Management.Smo.ScriptNameObjectBase
Microsoft.SqlServer.Management.Smo.Statistic
Espacio de nombres: Microsoft.SqlServer.Management.Smo
Ensamblado: Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Sintaxis
'Declaración
<PhysicalFacetAttribute> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class Statistic _
Inherits ScriptNameObjectBase _
Implements ICreatable, IDroppable, IMarkForDrop, IScriptable, _
ISfcSupportsDesignMode
'Uso
Dim instance As Statistic
[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
public sealed class Statistic : ScriptNameObjectBase,
ICreatable, IDroppable, IMarkForDrop, IScriptable, ISfcSupportsDesignMode
[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
public ref class Statistic sealed : public ScriptNameObjectBase,
ICreatable, IDroppable, IMarkForDrop, IScriptable, ISfcSupportsDesignMode
[<SealedAttribute>]
[<PhysicalFacetAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
type Statistic =
class
inherit ScriptNameObjectBase
interface ICreatable
interface IDroppable
interface IMarkForDrop
interface IScriptable
interface ISfcSupportsDesignMode
end
public final class Statistic extends ScriptNameObjectBase implements ICreatable, IDroppable, IMarkForDrop, IScriptable, ISfcSupportsDesignMode
El tipo Statistic expone los siguientes miembros.
Constructores
Nombre | Descripción | |
---|---|---|
Statistic() | Initializes a new instance of the Statistic class. | |
Statistic(SqlSmoObject, String) | Initializes a new instance of the Statistic class on the specified parent object and with the specified name. |
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Propiedades
Nombre | Descripción | |
---|---|---|
Events | Gets the events that are associated with the database. | |
FileGroup | Gets or sets the filegroup in which the statistic counter is stored. | |
FilterDefinition | Gets or sets the statistic counters filter definition. | |
HasFilter | Gets a value that indicates whether there is a filter associated with the statistic counter. | |
ID | Gets the ID value that uniquely identifies the statistic counter. | |
IsAutoCreated | Gets the Boolean property value that specifies whether the statistic counter is automatically created. | |
IsFromIndexCreation | Gets the Boolean property value that specifies whether the statistic counter was generated from the creation of an index. | |
IsTemporary | Gets the Boolean property value that specifies whether the Statistic counter is temporary or permanent. | |
LastUpdated | Gets the date and time when the statistic counter was last updated. | |
Name | Gets or sets a String value that specifies the name of the statistic counter. (Invalida NamedSmoObject.Name.) | |
NoAutomaticRecomputation | Gets or sets the Boolean property value that specifies whether the statistics counter recomputed automatically. | |
Parent | Gets or sets the SqlSmoObject object that is the parent of the Statistic object. | |
Properties | Gets a collection of Property objects that represent the object properties. (Se hereda de SqlSmoObject.) | |
State | Gets the state of the referenced object. (Se hereda de SmoObjectBase.) | |
StatisticColumns | Represents a collection of StatisticColumn objects. Each StatisticColumn object represents a column defined on the statistic counter. | |
Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Se hereda de SqlSmoObject.) | |
UserData | Gets or sets user-defined data associated with the referenced object. (Se hereda de SmoObjectBase.) |
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Métodos
Nombre | Descripción | |
---|---|---|
Create | Creates a statistics counter on the instance of SQL Server as defined by the Statistic object. | |
Discover | Discovers a list of type Object. (Se hereda de SqlSmoObject.) | |
Drop | Removes the statistic counter. | |
Equals | (Se hereda de Object.) | |
FormatSqlVariant | Formats an object as SqlVariant type. (Se hereda de SqlSmoObject.) | |
GetContextDB | Gets the context database that is associated with this object. (Se hereda de SqlSmoObject.) | |
GetDBName | Gets the database name that is associated with the object. (Se hereda de SqlSmoObject.) | |
GetHashCode | (Se hereda de Object.) | |
GetPropValue | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) | |
GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) | |
GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) | |
GetServerObject | Gets the server of the SqlSmoObject object. (Se hereda de SqlSmoObject.) | |
GetType | (Se hereda de Object.) | |
Initialize() | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) | |
Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) | |
IsObjectInitialized | Verifies whether the object has been initialized. (Se hereda de SqlSmoObject.) | |
IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Se hereda de SqlSmoObject.) | |
MarkForDrop | Marks the statistics counter to be dropped next time its parent SqlSmoObject object is altered with the ALTER method. | |
Refresh | Refreshes the script name. (Se hereda de ScriptNameObjectBase.) | |
Script() | Generates a Transact-SQL script that can be used to re-create the database. | |
Script(ScriptingOptions) | Generates a Transact-SQL script that can be used to re-create the database as specified by the script options. | |
SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Se hereda de SqlSmoObject.) | |
SetScanOptions | Sets the scan options for the statistic counter. | |
ToString | Returns a String that represents the referenced object. (Se hereda de SqlSmoObject.) | |
Update() | Updates the statistics for the referenced object. | |
Update(StatisticsScanType) | Updates information about the distribution of key values. | |
Update(StatisticsScanType, Int32) | Updates information about the distribution of key values. | |
Update(StatisticsScanType, Int32, Boolean) | Updates information about the distribution of key values. | |
Validate | Validates the state of an object. (Se hereda de SmoObjectBase.) |
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Eventos
Nombre | Descripción | |
---|---|---|
PropertyChanged | Represents the event that occurs when a property is changed. (Se hereda de SqlSmoObject.) | |
PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Se hereda de SqlSmoObject.) |
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Implementaciones de interfaces explícitas
Nombre | Descripción | |
---|---|---|
IAlienObject.Discover | Discovers any dependencies. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) | |
IAlienObject.GetDomainRoot | Returns the root of the domain. (Se hereda de SqlSmoObject.) | |
IAlienObject.GetParent | Gets the parent of this object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) | |
IAlienObject.GetPropertyType | Gets the type of the specified property. (Se hereda de SqlSmoObject.) | |
IAlienObject.GetPropertyValue | Gets the value of the specified property. (Se hereda de SqlSmoObject.) | |
IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) | |
IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Se hereda de SqlSmoObject.) | |
IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Se hereda de SqlSmoObject.) | |
IAlienObject.SetPropertyValue | Sets the property value. (Se hereda de SqlSmoObject.) | |
ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Se hereda de SqlSmoObject.) | |
ISfcSupportsDesignMode.IsDesignMode | Gets a value that indicates whether the statistic counter is in design mode. |
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Comentarios
To get Statistic object properties, users can be a member of the public fixed server role.
To set Statistic object properties, users must have ALTER permission on the parent table or view or be a member of the db_owner fixed database role.
To create or drop a statistics counter, users must have ALTER permission on the parent table or view or be a member of the db_owner fixed database role.
To update statistics, users must have ALTER permission on the parent table or view or be a member of the db_owner fixed database role.
Thread Safety
Todos los miembros estáticos (compartidos en Microsoft Visual Basic) públicos de este tipo son seguros para operaciones multiproceso. No se garantiza que los miembros de instancia sean seguros para subprocesos.
Ejemplos
Crear y actualizar estadísticas
Seguridad para subprocesos
Cualquier miembro público static (Shared en Visual Basic) de este tipo es seguro para subprocesos. No se garantiza que los miembros de instancia sean seguros para subprocesos.
Vea también
Referencia
Espacio de nombres Microsoft.SqlServer.Management.Smo