Classe Statistic
The Statistic class represents a SQL Server statistic counter.
Hiérarchie d'héritage
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
Espace de noms : Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
<PhysicalFacetAttribute> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class Statistic _
Inherits ScriptNameObjectBase _
Implements ICreatable, IDroppable, IMarkForDrop, IScriptable, _
ISfcSupportsDesignMode
'Utilisation
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
Le type Statistic expose les membres suivants.
Constructeurs
| Nom | Description | |
|---|---|---|
.gif "Méthode publique") |
Statistic() | Initializes a new instance of the Statistic class. |
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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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Propriétés
| Nom | Description | |
|---|---|---|
.gif "Propriété publique") |
Events | Gets the events that are associated with the database. |
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FileGroup | Gets or sets the filegroup in which the statistic counter is stored. |
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FilterDefinition | Gets or sets the statistic counters filter definition. |
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HasFilter | Gets a value that indicates whether there is a filter associated with the statistic counter. |
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ID | Gets the ID value that uniquely identifies the statistic counter. |
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IsAutoCreated | Gets the Boolean property value that specifies whether the statistic counter is automatically created. |
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IsFromIndexCreation | Gets the Boolean property value that specifies whether the statistic counter was generated from the creation of an index. |
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IsTemporary | Gets the Boolean property value that specifies whether the Statistic counter is temporary or permanent. |
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LastUpdated | Gets the date and time when the statistic counter was last updated. |
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Name | Gets or sets a String value that specifies the name of the statistic counter. (remplace NamedSmoObject.Name.) |
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NoAutomaticRecomputation | Gets or sets the Boolean property value that specifies whether the statistics counter recomputed automatically. |
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Parent | Gets or sets the SqlSmoObject object that is the parent of the Statistic object. |
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Properties | Gets a collection of Property objects that represent the object properties. (hérité de SqlSmoObject.) |
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State | Gets the state of the referenced object. (hérité de SmoObjectBase.) |
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StatisticColumns | Represents a collection of StatisticColumn objects. Each StatisticColumn object represents a column defined on the statistic counter. |
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (hérité de SqlSmoObject.) |
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UserData | Gets or sets user-defined data associated with the referenced object. (hérité de SmoObjectBase.) |
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Méthodes
| Nom | Description | |
|---|---|---|
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Create | Creates a statistics counter on the instance of SQL Server as defined by the Statistic object. |
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Discover | Discovers a list of type Object. (hérité de SqlSmoObject.) |
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Drop | Removes the statistic counter. |
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Equals | (hérité de Object.) |
.gif "Méthode protégée") |
FormatSqlVariant | Formats an object as SqlVariant type. (hérité de SqlSmoObject.) |
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GetContextDB | Gets the context database that is associated with this object. (hérité de SqlSmoObject.) |
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GetDBName | Gets the database name that is associated with the object. (hérité de SqlSmoObject.) |
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GetHashCode | (hérité de Object.) |
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GetPropValue | Gets a property value of the SqlSmoObject object. (hérité de SqlSmoObject.) |
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GetPropValueOptional | Gets a property value of the SqlSmoObject object. (hérité de SqlSmoObject.) |
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GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (hérité de SqlSmoObject.) |
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GetServerObject | Gets the server of the SqlSmoObject object. (hérité de SqlSmoObject.) |
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GetType | (hérité de Object.) |
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Initialize() | Initializes the object and forces the properties be loaded. (hérité de SqlSmoObject.) |
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Initialize(Boolean) | Initializes the object and forces the properties be loaded. (hérité de SqlSmoObject.) |
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IsObjectInitialized | Verifies whether the object has been initialized. (hérité de SqlSmoObject.) |
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IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (hérité de SqlSmoObject.) |
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MarkForDrop | Marks the statistics counter to be dropped next time its parent SqlSmoObject object is altered with the ALTER method. |
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Refresh | Refreshes the script name. (hérité de ScriptNameObjectBase.) |
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Script() | Generates a Transact-SQL script that can be used to re-create the database. |
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Script(ScriptingOptions) | Generates a Transact-SQL script that can be used to re-create the database as specified by the script options. |
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SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (hérité de SqlSmoObject.) |
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SetScanOptions | Sets the scan options for the statistic counter. |
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ToString | Returns a String that represents the referenced object. (hérité de SqlSmoObject.) |
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Update() | Updates the statistics for the referenced object. |
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Update(StatisticsScanType) | Updates information about the distribution of key values. |
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Update(StatisticsScanType, Int32) | Updates information about the distribution of key values. |
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Update(StatisticsScanType, Int32, Boolean) | Updates information about the distribution of key values. |
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Validate | Validates the state of an object. (hérité de SmoObjectBase.) |
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Événements
| Nom | Description | |
|---|---|---|
.gif "Événement public") |
PropertyChanged | Represents the event that occurs when a property is changed. (hérité de SqlSmoObject.) |
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PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (hérité de SqlSmoObject.) |
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Implémentations d'interfaces explicites
| Nom | Description | |
|---|---|---|
.gif "Implémentation d'interface explicite") .gif "Méthode privée") |
IAlienObject.Discover | Discovers any dependencies. Ne faites pas directement référence à ce membre dans votre code. Il prend en charge l'infrastructure SQL Server. (hérité de SqlSmoObject.) |
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IAlienObject.GetDomainRoot | Returns the root of the domain. (hérité de SqlSmoObject.) |
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IAlienObject.GetParent | Gets the parent of this object. Ne faites pas directement référence à ce membre dans votre code. Il prend en charge l'infrastructure SQL Server. (hérité de SqlSmoObject.) |
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IAlienObject.GetPropertyType | Gets the type of the specified property. (hérité de SqlSmoObject.) |
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IAlienObject.GetPropertyValue | Gets the value of the specified property. (hérité de SqlSmoObject.) |
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IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. Ne faites pas directement référence à ce membre dans votre code. Il prend en charge l'infrastructure SQL Server. (hérité de SqlSmoObject.) |
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IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (hérité de SqlSmoObject.) |
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IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (hérité de SqlSmoObject.) |
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IAlienObject.SetPropertyValue | Sets the property value. (hérité de SqlSmoObject.) |
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ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (hérité de SqlSmoObject.) |
.gif "Propriété privée") |
ISfcSupportsDesignMode.IsDesignMode | Gets a value that indicates whether the statistic counter is in design mode. |
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Notes
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
Tout membre statique public (Partagé dans Microsoft Visual Basic) de ce type est sûr dans le cadre des opérations à plusieurs threads. Tous les membres de l'instance ne sont pas garantis comme étant thread-safe.
Exemples
Création et mise à jour des statistiques
Sécurité des threads
Tous les membres publics static (Shared dans Visual Basic) de ce type sont thread-safe. Tous les membres de l'instance ne sont pas garantis comme étant thread-safe.
Voir aussi
Référence
Espace de noms Microsoft.SqlServer.Management.Smo