DataFile 类

The DataFile object represents a Microsoft SQL Server data file.

命名空间:  Microsoft.SqlServer.Management.Smo
程序集:  Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)

语法

声明
<PhysicalFacetAttribute> _
<SfcElementTypeAttribute("File")> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class DataFile _
    Inherits DatabaseFile _
    Implements ICreatable
用法
Dim instance As DataFile
[PhysicalFacetAttribute]
[SfcElementTypeAttribute("File")]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
public sealed class DataFile : DatabaseFile, 
    ICreatable
[PhysicalFacetAttribute]
[SfcElementTypeAttribute(L"File")]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
public ref class DataFile sealed : public DatabaseFile, 
    ICreatable
[<SealedAttribute>]
[<PhysicalFacetAttribute>]
[<SfcElementTypeAttribute("File")>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
type DataFile =  
    class
        inherit DatabaseFile
        interface ICreatable
    end
public final class DataFile extends DatabaseFile implements ICreatable

DataFile 类型公开以下成员。

构造函数

  名称 说明
公共方法 DataFile() () () () Initializes a new instance of the DataFile class.
公共方法 DataFile(FileGroup, String) Initializes a new instance of the DataFile class on the specified file group with the specified name.
公共方法 DataFile(FileGroup, String, String) Initializes a new instance of the DataFile class on the specified file group with the specified name and file name.

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属性

  名称 说明
公共属性 AvailableSpace Gets the amount of available space in the data file in KB.
受保护属性 ExecuteForScalar Gets or sets the Boolean property value that specifies whether the object is set to the execute for scalar option. (从 SqlSmoObject 继承。)
公共属性 FileName Gets or sets the data file name.
公共属性 Growth Gets or sets the growth increment for the data file in KB or percent.
公共属性 GrowthType Gets or sets the growth type for the data file in kilobytes or percent.
公共属性 ID Gets the ID value that uniquely identifies the data file.
公共属性 IsOffline Gets the Boolean property value that specifies whether the data file is offline or not.
公共属性 IsPrimaryFile Gets the Boolean property value that specifies whether the data file is the primary file of the database.
公共属性 IsReadOnly Gets the Boolean property value that specifies whether the data file is read-only or can be updated.
公共属性 IsReadOnlyMedia Gets the Boolean property value that specifies whether the data file is stored on read-only media.
公共属性 IsSparse Gets the Boolean value that specifies whether the file is a sparse file. Sparse files are used in database snapshots.
受保护属性 IsTouched Gets the Boolean property value that specifies whether the object properties have been updated but not yet persisted on the server. (从 SqlSmoObject 继承。)
公共属性 MaxSize Gets or set the maximum size to which the data file can grow in KB.
公共属性 Name Gets or sets the name of the object. (从 NamedSmoObject 继承。)
受保护属性 ObjectInSpace Gets the Boolean property value that specifies whether the object exists in isolation, or whether it is directly or indirectly connected to the instance of SQL Server. (从 SqlSmoObject 继承。)
公共属性 Parent Gets or sets the FileGroup object that is the parent of the DataFile object.
公共属性 Properties Gets a collection of Property objects that represent the object properties. (从 SqlSmoObject 继承。)
受保护属性 ScalarResult Gets the scalar result for the referenced object. (从 SqlSmoObject 继承。)
公共属性 Size Gets or sets the current size of the data file in KB.
公共属性 State Gets the state of the referenced object. (从 SmoObjectBase 继承。)
公共属性 Urn Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (从 SqlSmoObject 继承。)
公共属性 UsedSpace Gets the amount of used space in the data file in KB.
公共属性 UserData Gets or sets user-defined data associated with the referenced object. (从 SmoObjectBase 继承。)

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方法

  名称 说明
受保护方法 AddDatabaseContext (从 SqlSmoObject 继承。)
公共方法 Alter Updates any property changes to the object to the instance of Microsoft SQL Server. (从 DatabaseFile 继承。)
受保护方法 AlterImpl (从 SqlSmoObject 继承。)
受保护方法 AlterImplFinish (从 SqlSmoObject 继承。)
受保护方法 AlterImplInit (从 SqlSmoObject 继承。)
受保护方法 AlterImplWorker (从 SqlSmoObject 继承。)
受保护方法 BindDefaultImpl (从 SqlSmoObject 继承。)
受保护方法 BindRuleImpl (从 SqlSmoObject 继承。)
受保护方法 CheckCollation (从 SqlSmoObject 继承。)
受保护方法 CheckObjectState() () () () Validates the state of the referenced object. (从 SqlSmoObject 继承。)
受保护方法 CheckObjectState(Boolean) Validates the state of the referenced object with the option to specify that an exception is thrown if the object is not yet created. (从 SqlSmoObject 继承。)
受保护方法 CheckObjectStateImpl (从 SqlSmoObject 继承。)
受保护方法 CheckVersion100 (从 SqlSmoObject 继承。)
受保护方法 CheckVersion80 Checks the validity of the object on SQL Server 2000. (从 SqlSmoObject 继承。)
受保护方法 CheckVersion80SP3 Checks the validity of the object on SQL Server 2000 SP3. (从 SqlSmoObject 继承。)
受保护方法 CheckVersion90 Check the validity of the object on SQL Server 2005. (从 SqlSmoObject 继承。)
受保护方法 CheckVersionBelow90 (从 SqlSmoObject 继承。)
受保护方法 CleanObject (从 SqlSmoObject 继承。)
公共方法 Create Creates a data file on the instance of SQL Server as defined by the DataFile object.
受保护方法 CreateImpl (从 SqlSmoObject 继承。)
受保护方法 CreateImplFinish (从 SqlSmoObject 继承。)
受保护方法 CreateImplInit (从 SqlSmoObject 继承。)
公共方法 Discover (从 SqlSmoObject 继承。)
公共方法 Drop Drops a database file. (从 DatabaseFile 继承。)
受保护方法 DropImpl (从 SqlSmoObject 继承。)
受保护方法 DropImplWorker (从 SqlSmoObject 继承。)
受保护方法 EnumScriptImpl (从 SqlSmoObject 继承。)
受保护方法 EnumScriptImplWorker (从 SqlSmoObject 继承。)
公共方法 Equals (从 Object 继承。)
受保护方法 Finalize (从 Object 继承。)
受保护方法 FormatSqlVariant (从 SqlSmoObject 继承。)
受保护方法 GenerateDataSpaceFileStreamScript (从 SqlSmoObject 继承。)
受保护方法 GenerateDataSpaceScript (从 SqlSmoObject 继承。)
受保护方法 GetBindDefaultScript (从 SqlSmoObject 继承。)
受保护方法 GetBindRuleScript (从 SqlSmoObject 继承。)
受保护方法 GetBoolParameter(StringBuilder, ScriptingOptions, String, String, Int32%) (从 SqlSmoObject 继承。)
受保护方法 GetBoolParameter(StringBuilder, ScriptingOptions, String, String, Int32%, Boolean) (从 SqlSmoObject 继承。)
受保护方法 GetDateTimeParameter (从 SqlSmoObject 继承。)
受保护方法 GetDateTimeParameterAsInt (从 SqlSmoObject 继承。)
受保护方法 GetDBName Gets the database name that is associated with the object. (从 SqlSmoObject 继承。)
受保护方法 GetEnumParameter (从 SqlSmoObject 继承。)
受保护方法 GetFragOptionString (从 SqlSmoObject 继承。)
受保护方法 GetGuidParameter (从 SqlSmoObject 继承。)
公共方法 GetHashCode (从 Object 继承。)
受保护方法 GetParameter(StringBuilder, ScriptingOptions, String, String, Int32%) (从 SqlSmoObject 继承。)
受保护方法 GetParameter(StringBuilder, ScriptingOptions, String, String, Int32%, Boolean) (从 SqlSmoObject 继承。)
受保护方法 GetPropValue (从 SqlSmoObject 继承。)
受保护方法 GetPropValueOptional (从 SqlSmoObject 继承。)
受保护方法 GetPropValueOptionalAllowNull (从 SqlSmoObject 继承。)
受保护方法 GetRealValue (从 SqlSmoObject 继承。)
受保护方法 GetScriptingOptionsForCreate (从 SqlSmoObject 继承。)
受保护方法 GetServerName Gets the name of the instance of SQL Server with which the object is associated. (从 SqlSmoObject 继承。)
受保护方法 GetServerObject (从 SqlSmoObject 继承。)
受保护方法 GetSqlServerVersionName Gets the version name of the instance of SQL Server with which the object is associated. (从 SqlSmoObject 继承。)
受保护方法 GetStringParameter(StringBuilder, ScriptingOptions, String, String, Int32%) (从 SqlSmoObject 继承。)
受保护方法 GetStringParameter(StringBuilder, ScriptingOptions, String, String, Int32%, Boolean) (从 SqlSmoObject 继承。)
受保护方法 GetTimeSpanParameterAsInt (从 SqlSmoObject 继承。)
公共方法 GetType (从 Object 继承。)
受保护方法 GetUrnRecursive(StringBuilder) (从 SqlSmoObject 继承。)
受保护方法 GetUrnRecursive(StringBuilder, UrnIdOption) (从 SqlSmoObject 继承。)
受保护方法 ImplInitialize (从 SqlSmoObject 继承。)
公共方法 Initialize() () () () Initializes the object and forces the properties be loaded. (从 SqlSmoObject 继承。)
公共方法 Initialize(Boolean) Initializes the object and forces the properties be loaded. (从 SqlSmoObject 继承。)
受保护方法 IsObjectDirty Verifies whether the object properties have been modified and the changes have not yet been persisted on the instance of SQL Server. (从 SqlSmoObject 继承。)
受保护方法 IsObjectInitialized Verifies whether the object has been initialized. (从 SqlSmoObject 继承。)
受保护方法 IsObjectInSpace Verifies whether the object is isolated or connected to the instance of SQL Server. (从 SqlSmoObject 继承。)
受保护方法 IsVersion80SP3 (从 SqlSmoObject 继承。)
受保护方法 MarkDropped (从 SqlSmoObject 继承。)
公共方法 MarkForDrop Marks the database file to be dropped next time its parent object is altered by the Alter method. (从 DatabaseFile 继承。)
受保护方法 MarkForDropImpl (从 SqlSmoObject 继承。)
受保护方法 MemberwiseClone (从 Object 继承。)
受保护方法 PostAlter (从 SqlSmoObject 继承。)
受保护方法 PostCreate (从 SqlSmoObject 继承。)
受保护方法 PostDrop (从 SqlSmoObject 继承。)
公共方法 Refresh Refreshes the object and retrieves properties when the object is next accessed. (从 SqlSmoObject 继承。)
公共方法 Rename Renames a database file. (从 DatabaseFile 继承。)
受保护方法 RenameImpl This method supports the SMO infrastructure and is not intended to be used directly from your code. (从 NamedSmoObject 继承。)
受保护方法 RenameImplWorker This method supports the SMO infrastructure and is not intended to be used directly from your code. (从 NamedSmoObject 继承。)
受保护方法 ScriptAlter (从 DatabaseFile 继承。)
受保护方法 ScriptChangeOwner This method supports the SMO infrastructure and is not intended to be used directly from your code. (从 NamedSmoObject 继承。)
受保护方法 ScriptCreate (从 SqlSmoObject 继承。)
受保护方法 ScriptDdl (从 SqlSmoObject 继承。)
受保护方法 ScriptDrop (从 DatabaseFile 继承。)
受保护方法 ScriptImpl() () () () (从 SqlSmoObject 继承。)
受保护方法 ScriptImpl(ScriptingOptions) (从 SqlSmoObject 继承。)
受保护方法 ScriptImplWorker (从 SqlSmoObject 继承。)
受保护方法 ScriptRename (从 DatabaseFile 继承。)
公共方法 SetOffline Sets the database file status to offline.
受保护方法 SetParentImpl (从 SqlSmoObject 继承。)
公共方法 Shrink Shrinks a database file. (从 DatabaseFile 继承。)
公共方法 ToString Returns a String that represents the referenced object. (从 SqlSmoObject 继承。)
受保护方法 TouchImpl (从 SqlSmoObject 继承。)
受保护方法 UnbindDefaultImpl (从 SqlSmoObject 继承。)
受保护方法 UnbindRuleImpl (从 SqlSmoObject 继承。)
公共方法 Validate (从 SmoObjectBase 继承。)

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事件

  名称 说明
公共事件 PropertyChanged (从 SqlSmoObject 继承。)
公共事件 PropertyMetadataChanged (从 SqlSmoObject 继承。)

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字段

  名称 说明
受保护字段 m_ExtendedProperties (从 SqlSmoObject 继承。)

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显式接口实现

  名称 说明
显式接口实现私有方法 IAlienObjectDiscover (从 SqlSmoObject 继承。)
显式接口实现私有方法 IAlienObjectGetParent (从 SqlSmoObject 继承。)
显式接口实现私有方法 IAlienObjectGetProperty (从 SqlSmoObject 继承。)
显式接口实现私有方法 ISfcPropertyProviderGetPropertySet (从 SqlSmoObject 继承。)
显式接口实现私有方法 IAlienObjectGetUrn (从 SqlSmoObject 继承。)
显式接口实现私有方法 IAlienObjectResolve (从 SqlSmoObject 继承。)
显式接口实现私有方法 IAlienObjectSetProperty (从 SqlSmoObject 继承。)

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注释

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

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

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

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

Thread Safety

此类型的任何公共静态(Microsoft Visual Basic 中的 Shared)成员在多线程操作中是安全的。 不保证所有实例成员都对于线程安全的。

线程安全

此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。