Classe FileGroup

Articolo
04/26/2013

The FileGroup object represents a SQL Server file group. For more information about file groups, see Utilizzo di filegroup e file per archiviare dati.

Gerarchia di ereditarietà

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

Spazio dei nomi Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class FileGroup _
    Inherits NamedSmoObject _
    Implements ICreatable, IAlterable, IDroppable, IRenamable,  _
    IMarkForDrop, ISfcSupportsDesignMode
'Utilizzo
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

Nel tipo FileGroup sono esposti i membri seguenti.

Costruttori

	Nome	Descrizione
	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.

In alto

Proprietà

	Nome	Descrizione
	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. Ereditato da 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. Ereditato da 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. Ereditato da SmoObjectBase.
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. Ereditato da SqlSmoObject.
	UserData	Gets or sets user-defined data associated with the referenced object. Ereditato da SmoObjectBase.

In alto

Metodi

	Nome	Descrizione
	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. Ereditato da 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	Ereditato da Object.
	FormatSqlVariant	Formats an object as SqlVariant type. Ereditato da SqlSmoObject.
	GetContextDB	Gets the context database that is associated with this object. Ereditato da SqlSmoObject.
	GetDBName	Gets the database name that is associated with the object. Ereditato da SqlSmoObject.
	GetHashCode	Ereditato da Object.
	GetPropValue	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetServerObject	Gets the server of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetType	Ereditato da Object.
	Initialize()	Initializes the object and forces the properties be loaded. Ereditato da SqlSmoObject.
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. Ereditato da SqlSmoObject.
	IsObjectInitialized	Verifies whether the object has been initialized. Ereditato da SqlSmoObject.
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. Ereditato da 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. Ereditato da SqlSmoObject.
	Rename	Renames the file group.
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. Ereditato da SqlSmoObject.
	ToString	Returns a String that represents the referenced object. Ereditato da SqlSmoObject.
	Validate	Validates the state of an object. Ereditato da SmoObjectBase.

In alto

Eventi

	Nome	Descrizione
	PropertyChanged	Represents the event that occurs when a property is changed. Ereditato da SqlSmoObject.
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. Ereditato da SqlSmoObject.

In alto

Implementazioni esplicite dell'interfaccia

	Nome	Descrizione
	IAlienObject.Discover	Discovers any dependencies. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.GetDomainRoot	Returns the root of the domain. Ereditato da SqlSmoObject.
	IAlienObject.GetParent	Gets the parent of this object. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.GetPropertyType	Gets the type of the specified property. Ereditato da SqlSmoObject.
	IAlienObject.GetPropertyValue	Gets the value of the specified property. Ereditato da SqlSmoObject.
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. Ereditato da SqlSmoObject.
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. Ereditato da SqlSmoObject.
	IAlienObject.SetPropertyValue	Sets the property value. Ereditato da SqlSmoObject.
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. Ereditato da SqlSmoObject.
	ISfcSupportsDesignMode.IsDesignMode	Gets a Boolean value that indicates whether the object supports design mode. Identificato solo a scopo informativo. Non supportato. Non è garantita la compatibilità con le versioni future.

In alto

Osservazioni

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

Tutti i membri statici pubblici (Shared in Microsoft Visual Basic) di questo tipo sono sicuri per le operazioni a thread multipli. Non è invece garantita la sicurezza dei membri dell'istanza.