Clase LinkedServer
A LinkedServer object represents a database system other than SQL Server and is linked to the current instance of SQL Server by using an OLE DB driver.
Jerarquía de herencia
System.Object
Microsoft.SqlServer.Management.Smo.SmoObjectBase
Microsoft.SqlServer.Management.Smo.SqlSmoObject
Microsoft.SqlServer.Management.Smo.NamedSmoObject
Microsoft.SqlServer.Management.Smo.LinkedServer
Espacio de nombres: Microsoft.SqlServer.Management.Smo
Ensamblado: Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Sintaxis
'Declaración
<PhysicalFacetAttribute> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class LinkedServer _
Inherits NamedSmoObject _
Implements ISfcSupportsDesignMode, ICreatable, IDroppable, IAlterable, _
IScriptable
'Uso
Dim instance As LinkedServer
[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
public sealed class LinkedServer : NamedSmoObject,
ISfcSupportsDesignMode, ICreatable, IDroppable, IAlterable, IScriptable
[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
public ref class LinkedServer sealed : public NamedSmoObject,
ISfcSupportsDesignMode, ICreatable, IDroppable, IAlterable, IScriptable
[<SealedAttribute>]
[<PhysicalFacetAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
type LinkedServer =
class
inherit NamedSmoObject
interface ISfcSupportsDesignMode
interface ICreatable
interface IDroppable
interface IAlterable
interface IScriptable
end
public final class LinkedServer extends NamedSmoObject implements ISfcSupportsDesignMode, ICreatable, IDroppable, IAlterable, IScriptable
El tipo LinkedServer expone los siguientes miembros.
Constructores
Nombre | Descripción | |
---|---|---|
LinkedServer() | Initializes a new instance of the LinkedServer object. | |
LinkedServer(Server, String) | Initializes a new instance of the LinkedServer object on the specified instance of SQL Server and with the specified name. |
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Propiedades
Nombre | Descripción | |
---|---|---|
Catalog | Gets or sets the database to be used when the linked server is made through a connection to an OLE DB provider. | |
CollationCompatible | Gets or sets the Boolean property value that specifies whether the default collation of the linked server is compatible with the default collation on the local instance of SQL Server. | |
CollationName | Gets or sets the name of the collation to use when sorting data from the linked server. | |
ConnectTimeout | Gets or sets the number of seconds to wait for a connection to be established with the linked server before timing out. | |
DataAccess | Gets or sets the Boolean property value that specifies whether data can be accessed on the linked server. | |
DataSource | Gets or sets the data source to be used when the linked server is made through a connection to an OLE DB provider. | |
DateLastModified | Gets the date and time when the linked server was last modified. | |
DistPublisher | Gets or sets a Boolean property value that specifies whether the linked server is participating in replication as a distribution Publisher. | |
Distributor | Gets or sets a Boolean property value that specifies whether the linked server is participating in replication as a distribution Publisher. | |
ID | Gets the ID value that uniquely identifies the linked server. | |
IsPromotionofDistributedTransactionsForRPCEnabled | Gets or sets a Boolean property value that specifies whether the promotion of distributed transaction for RPC (remote procedure calls) is enabled. | |
LazySchemaValidation | Gets or sets the Boolean property value that specifies whether the schema used by the linked server data is validated when the local instance of SQL Server is idle or not. | |
LinkedServerLogins | Represents a collection of LinkedServerLogin objects. Each LinkedServerLogin object represents a linked server login defined on the linked server. | |
Location | Gets or sets the description of the location of the linked server. | |
Name | Gets or sets a String which contains the name of the LinkedServer. (Invalida NamedSmoObject.Name.) | |
Parent | Gets or sets the Server object that is the parent of the LinkedServer object. | |
ProductName | Gets or sets the name of the product to which SQL Server can connect through the OLE DB Provider. | |
Properties | Gets a collection of Property objects that represent the object properties. (Se hereda de SqlSmoObject.) | |
ProviderName | Gets or sets the name of the OLE DB provider used to connect to the linked server. | |
ProviderString | Gets or sets the connection string used to connect to a linked server by way of the OLE DB Provider. | |
Publisher | Gets or sets a Boolean property value that specifies whether the linked server is a replication Publisher or not. | |
QueryTimeout | Gets or sets the time in seconds to wait for a query to execute before timing out. | |
Rpc | Gets or sets the Boolean property value that specifies whether the linked server supports remote procedure calls (RPCs). | |
RpcOut | The Boolean property value that specifies whether the linked server supports remote procedure calls (RPCs) with output parameters. | |
State | Gets the state of the referenced object. (Se hereda de SmoObjectBase.) | |
Subscriber | Gets or sets the Boolean property value that specifies whether the linked server is a replication Subscriber. | |
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.) | |
UseRemoteCollation | Gets or sets the Boolean property value that specifies whether to use the collation that is associated with the data from the linked server. |
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Métodos
Nombre | Descripción | |
---|---|---|
Alter | Updates any LinkedServer object property changes on the instance of SQL Server. | |
Create | Creates a linked server on the instance of SQL Server as defined by the LinkedServer object. | |
Discover | Discovers a list of type Object. (Se hereda de SqlSmoObject.) | |
Drop() | Removes the reference to the linked server from the instance of SQL Server. | |
Drop(Boolean) | Removes the reference to the linked server from the instance of SQL Server. | |
EnumColumns() | Enumerates a list of columns that can be accessed on the linked server. | |
EnumColumns(String) | Enumerates a list of columns that can be accessed on the linked server for a specified table. | |
EnumColumns(String, String) | Enumerates a list of columns that can be accessed on the linked server for a specified table and schema. | |
EnumColumns(String, String, String) | Enumerates a list of columns that can be accessed on the linked server for a specified table, schema, and database. | |
EnumColumns(String, String, String, String) | Enumerates a list of columns that can be accessed on the linked server for a specified column. | |
EnumTables() | Enumerates a list of tables that are available on the linked server. | |
EnumTables(String) | Enumerates a list of tables that are available on the linked server for a specified table name. | |
EnumTables(String, String) | Enumerates a list of tables that are available on the linked server for a specified table name and schema. | |
EnumTables(String, String, String) | Enumerates a list of tables that are available on the linked server for a specified table name, schema, and database. | |
EnumTables(String, String, String, LinkedTableType) | Enumerates a list of tables that are available on the linked server for a specified table name, schema, database, and linked table type. | |
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.) | |
Refresh | Refreshes the object and retrieves properties when the object is next accessed. (Se hereda de SqlSmoObject.) | |
Script() | Generates a Transact-SQL script that can be used to re-create the linked server registration. | |
Script(ScriptingOptions) | Generates a Transact-SQL script that can be used to re-create the linked server registration as specified by the script options. | |
SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Se hereda de SqlSmoObject.) | |
TestConnection | Tests the connection to a linked server. | |
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 or sets the Boolean property value that specifies whether the schema used by the linked server data is validated when the local instance of SQL Server is idle or not. |
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Comentarios
To get LinkedServer object properties, users can be a member of the public fixed server role.
To set LinkedServer object properties, users must have ALTER ANY LINKED SERVER permission on the server or be a member of the sysadmin fixed server role.
To create or drop a linked server, users must have ALTER ANY LINKED SERVER permission on the server or be a member of the sysadmin fixed server role.
To enumerate tables or columns on the linked server, users must have SELECT permission on the schema.
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 servidores vinculados en SMO
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