Clase FileGroup

The FileGroup object represents a SQL Server file group. For more information about file groups, see Utilizar grupos de archivos y archivos para almacenar datos.

Jerarquía de herencia

System.Object
  Microsoft.SqlServer.Management.Smo.SmoObjectBase
    Microsoft.SqlServer.Management.Smo.SqlSmoObject
      Microsoft.SqlServer.Management.Smo.NamedSmoObject
        Microsoft.SqlServer.Management.Smo.FileGroup

Espacio de nombres:  Microsoft.SqlServer.Management.Smo
Ensamblado:  Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)

Sintaxis

'Declaración
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class FileGroup _
    Inherits NamedSmoObject _
    Implements ICreatable, IAlterable, IDroppable, IRenamable,  _
    IMarkForDrop, ISfcSupportsDesignMode
'Uso
Dim instance As FileGroup

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class FileGroup : NamedSmoObject, 
    ICreatable, IAlterable, IDroppable, IRenamable, IMarkForDrop, 
    ISfcSupportsDesignMode

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class FileGroup sealed : public NamedSmoObject, 
    ICreatable, IAlterable, IDroppable, IRenamable, IMarkForDrop, 
    ISfcSupportsDesignMode

[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type FileGroup =  
    class 
        inherit NamedSmoObject 
        interface ICreatable 
        interface IAlterable 
        interface IDroppable 
        interface IRenamable 
        interface IMarkForDrop 
        interface ISfcSupportsDesignMode 
    end

public final class FileGroup extends NamedSmoObject implements ICreatable, IAlterable, IDroppable, IRenamable, IMarkForDrop, ISfcSupportsDesignMode

El tipo FileGroup expone los siguientes miembros.

Constructores

	Nombre	Descripción
	FileGroup()	Initializes a new instance of the FileGroup class.
	FileGroup(Database, String)	Initializes a new instance of the FileGroup class on the specified database that has the specified name.
	FileGroup(Database, String, Boolean)	Initializes a new instance of the FileGroup class on the specified database with the specified name. Optionally, enables a FILESTREAM file group to be created.

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Propiedades

	Nombre	Descripción
	Files	Represents a collection of DataFile objects. Each DataFile object represents a file belonging to the file group.
	ID	Gets the ID value that uniquely identifies the file group.
	IsDefault	Gets or sets the Boolean value that specifies whether the file group is the default file group for the database.
	IsFileStream	Gets the Boolean value that specifies whether the file group is of type FILESTREAM.
	Name	Gets or sets the name of the object. (Se hereda de NamedSmoObject.)
	Parent	Gets or sets the parent Database object of the FileGroup object.
	Properties	Gets a collection of Property objects that represent the object properties. (Se hereda de SqlSmoObject.)
	ReadOnly	Gets the Boolean value that specifies whether the file group is read-only.
	Size	Gets or sets the size of the file group in KB.
	State	Gets the state of the referenced object. (Se hereda de SmoObjectBase.)
	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
	Alter	Updates any property changes to the FileGroup object on the instance of SQL Server.
	CheckFileGroup	Scans and tests the integrity of database pages maintained in operating system files that implement the file group.
	CheckFileGroupDataOnly	Scans and tests the integrity of database pages that are used to maintain table data in operating system files that implement the file group.
	Create	Creates a new file group based on the FileGroup object.
	Discover	Discovers a list of type Object. (Se hereda de SqlSmoObject.)
	Drop	Drops the file group from the database.
	EnumObjects	Enumerates the system and user-defined tables, indexes, and statistics mechanisms stored within a file group.
	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 file group to be dropped next time its parent Database object is altered by the Alter method.
	Refresh	Refreshes the object and retrieves properties when the object is next accessed. (Se hereda de SqlSmoObject.)
	Rename	Renames the file group.
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. (Se hereda de SqlSmoObject.)
	ToString	Returns a String that represents the referenced object. (Se hereda de SqlSmoObject.)
	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 Boolean value that indicates whether the object supports design mode. Solamente se identifica con fines informativos. No compatible. La compatibilidad con versiones posteriores no está garantizada.

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Comentarios

To get FileGroup object properties, users can be a member of the public fixed server role.

To set FileGroup object properties, users must have ALTER permission on the database or be a member of the db_owner fixed database role.

To create a file group, users must have ALTER permission on the database or be a member of the db_owner fixed database role.

To drop a file group, users must have ALTER permission on the database or be a member of the db_owner fixed database role.

To run CheckFileGroup and CheckFileGroupDataOnly methods, users must be a member of the db_owner fixed database role or the sysadmin fixed server 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

Utilizar grupos de archivos y archivos para almacenar datos

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

Otros recursos

ALTER TABLE (Transact-SQL)

Usar archivos y grupos de archivos

CREATE TABLE (Transact-SQL)