Classe Statistic
The Statistic class represents a SQL Server statistic counter.
Hierarquia de herança
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
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)
Sintaxe
'Declaração
<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
O tipo Statistic expõe os membros a seguir.
Construtores
| Nome | Descrição | |
|---|---|---|
.gif "Método público") |
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. |
Início
Propriedades
| Nome | Descrição | |
|---|---|---|
.gif "Propriedade pública") |
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. |
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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. (Substitui 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. (Herdado de SqlSmoObject.) |
|
State | Gets the state of the referenced object. (Herdado 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. (Herdado de SqlSmoObject.) |
|
UserData | Gets or sets user-defined data associated with the referenced object. (Herdado de SmoObjectBase.) |
Início
Métodos
| Nome | Descrição | |
|---|---|---|
|
Create | Creates a statistics counter on the instance of SQL Server as defined by the Statistic object. |
|
Discover | Discovers a list of type Object. (Herdado de SqlSmoObject.) |
|
Drop | Removes the statistic counter. |
|
Equals | (Herdado de Object.) |
.gif "Método protegido") |
FormatSqlVariant | Formats an object as SqlVariant type. (Herdado de SqlSmoObject.) |
|
GetContextDB | Gets the context database that is associated with this object. (Herdado de SqlSmoObject.) |
|
GetDBName | Gets the database name that is associated with the object. (Herdado de SqlSmoObject.) |
|
GetHashCode | (Herdado de Object.) |
|
GetPropValue | Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.) |
|
GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.) |
|
GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.) |
|
GetServerObject | Gets the server of the SqlSmoObject object. (Herdado de SqlSmoObject.) |
|
GetType | (Herdado de Object.) |
|
Initialize() | Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.) |
|
Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.) |
|
IsObjectInitialized | Verifies whether the object has been initialized. (Herdado de SqlSmoObject.) |
|
IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Herdado 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. (Herdado de ScriptNameObjectBase.) |
|
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. |
|
SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Herdado de SqlSmoObject.) |
|
SetScanOptions | Sets the scan options for the statistic counter. |
|
ToString | Returns a String that represents the referenced object. (Herdado de SqlSmoObject.) |
|
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. |
|
Validate | Validates the state of an object. (Herdado de SmoObjectBase.) |
Início
Eventos
| Nome | Descrição | |
|---|---|---|
.gif "Evento público") |
PropertyChanged | Represents the event that occurs when a property is changed. (Herdado de SqlSmoObject.) |
|
PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Herdado de SqlSmoObject.) |
Início
Implementações de interfaces explícitas
| Nome | Descrição | |
|---|---|---|
.gif "Implementações de interfaces explícitas") .gif "Método privado") |
IAlienObject.Discover | Discovers any dependencies. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.) |
|
IAlienObject.GetDomainRoot | Returns the root of the domain. (Herdado de SqlSmoObject.) |
|
IAlienObject.GetParent | Gets the parent of this object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.) |
|
IAlienObject.GetPropertyType | Gets the type of the specified property. (Herdado de SqlSmoObject.) |
|
IAlienObject.GetPropertyValue | Gets the value of the specified property. (Herdado de SqlSmoObject.) |
|
IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.) |
|
IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Herdado de SqlSmoObject.) |
|
IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Herdado de SqlSmoObject.) |
|
IAlienObject.SetPropertyValue | Sets the property value. (Herdado de SqlSmoObject.) |
|
ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Herdado de SqlSmoObject.) |
.gif "Propriedade privada") |
ISfcSupportsDesignMode.IsDesignMode | Gets a value that indicates whether the statistic counter is in design mode. |
Início
Comentários
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
Qualquer membro público estático (Compartilhado no Microsoft Visual Basic) desse tipo é seguro para operações multi-threaded. Não há garantia de que qualquer membro de instância seja seguro para threads.
Exemplos
Criando e atualizando estatísticas
Segurança de thread
Qualquer membro público static (Shared no Visual Basic) desse tipo é seguro para threads. Não há garantia de que qualquer membro de instância seja seguro para threads.
Consulte também
Referência
Namespace Microsoft.SqlServer.Management.Smo