Clase Default
The Default object represents a SQL Server default.
Jerarquía de herencia
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.ScriptSchemaObjectBase
Microsoft.SqlServer.Management.Smo.DefaultRuleBase
Microsoft.SqlServer.Management.Smo.Default
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 Default _
Inherits DefaultRuleBase _
Implements ISfcSupportsDesignMode
'Uso
Dim instance As Default
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class Default : DefaultRuleBase,
ISfcSupportsDesignMode
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class Default sealed : public DefaultRuleBase,
ISfcSupportsDesignMode
[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type Default =
class
inherit DefaultRuleBase
interface ISfcSupportsDesignMode
end
public final class Default extends DefaultRuleBase implements ISfcSupportsDesignMode
El tipo Default expone los siguientes miembros.
Constructores
Nombre | Descripción | |
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Default() | Initializes a new instance of the Default class. |
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Default(Database, String) | Initializes a new instance of the Default class on the specified database and with the specified name. |
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Default(Database, String, String) | Initializes a new instance of the Default class on the specified database and with the specified name and schema. |
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Propiedades
Nombre | Descripción | |
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CreateDate | Gets the date and time when the default was created. |
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ExtendedProperties | Represents a collection of ExtendedProperty objects. Each ExtendedProperty object represents an extended property on the Default object or the Rule object. (Se hereda de DefaultRuleBase.) |
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ID | Gets the ID value that uniquely identifies the default. |
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Name | Gets or sets the name of the schema. (Se hereda de ScriptSchemaObjectBase.) |
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Parent | Gets or sets the Database object that is the parent of the Default object. |
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Properties | Gets a collection of Property objects that represent the object properties. (Se hereda de SqlSmoObject.) |
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Schema | Gets or sets the schema. (Se hereda de ScriptSchemaObjectBase.) |
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State | Gets the state of the referenced object. (Se hereda de SmoObjectBase.) |
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TextBody | Gets or sets the text that defines the default or rule. (Se hereda de DefaultRuleBase.) |
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TextHeader | Gets or sets the header of the text body that defines the default or rule. (Se hereda de DefaultRuleBase.) |
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TextMode | Gets or sets the Boolean property value that specifies whether the Default object or Rule object header is editable as text. (Se hereda de DefaultRuleBase.) |
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Se hereda de SqlSmoObject.) |
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UserData | Gets or sets user-defined data associated with the referenced object. (Se hereda de SmoObjectBase.) |
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Métodos
Nombre | Descripción | |
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Alter | Updates any Default object or Rule object property changes on instance of SQL Server. (Se hereda de DefaultRuleBase.) |
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BindToColumn(String, String) | Binds the default or rule to the specified column in the specified table. (Se hereda de DefaultRuleBase.) |
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BindToColumn(String, String, String) | Binds the default or rule to the specified column in the specified table with the specified schema. (Se hereda de DefaultRuleBase.) |
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BindToDataType | Binds the default or rule to a data type. (Se hereda de DefaultRuleBase.) |
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ChangeSchema | Changes the schema for the default. |
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Create | Creates a default or rule on the instance of SQL Server as defined by the Default object or Rule object. (Se hereda de DefaultRuleBase.) |
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Discover | Discovers a list of type Object. (Se hereda de SqlSmoObject.) |
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Drop | Removes the rule or the default. (Se hereda de DefaultRuleBase.) |
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EnumBoundColumns | Enumerates a list of columns to which the default or rule is bound. (Se hereda de DefaultRuleBase.) |
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EnumBoundDataTypes | Enumerates a list of data types to which the default or rule is bound. (Se hereda de DefaultRuleBase.) |
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Equals | (Se hereda de Object.) |
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FormatSqlVariant | Formats an object as SqlVariant type. (Se hereda de SqlSmoObject.) |
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GetContextDB | Gets the context database that is associated with this object. (Se hereda de SqlSmoObject.) |
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GetDBName | Gets the database name that is associated with the object. (Se hereda de SqlSmoObject.) |
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GetHashCode | (Se hereda de Object.) |
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GetPropValue | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetServerObject | Gets the server of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetType | (Se hereda de Object.) |
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Initialize() | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) |
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Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) |
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IsObjectInitialized | Verifies whether the object has been initialized. (Se hereda de SqlSmoObject.) |
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IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Se hereda de SqlSmoObject.) |
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Refresh | Refreshes the script name. (Se hereda de ScriptNameObjectBase.) |
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Script() | Generates a Transact-SQL script that can be used to re-create the default or rule. (Se hereda de DefaultRuleBase.) |
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Script(ScriptingOptions) | Generates a Transact-SQL script that can be used to re-create the default or rule as specified by the script options. (Se hereda de DefaultRuleBase.) |
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ScriptHeader | Generates a Transact-SQL script that can be used to re-create the default or rule header as specified by the script options. (Se hereda de DefaultRuleBase.) |
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SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Se hereda de SqlSmoObject.) |
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ToString | Returns a String that represents the referenced object. (Se hereda de SqlSmoObject.) |
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UnbindFromColumn(String, String) | Unbinds the default or rule from the specified column. (Se hereda de DefaultRuleBase.) |
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UnbindFromColumn(String, String, String) | Unbinds the default or rule from the specified column with the specified table schema. (Se hereda de DefaultRuleBase.) |
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UnbindFromDataType | Unbinds the default or rule from the specified data type (Se hereda de DefaultRuleBase.) |
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Validate | Validates the state of an object. (Se hereda de SmoObjectBase.) |
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Eventos
Nombre | Descripción | |
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PropertyChanged | Represents the event that occurs when a property is changed. (Se hereda de SqlSmoObject.) |
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PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Se hereda de SqlSmoObject.) |
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Implementaciones de interfaces explícitas
Nombre | Descripción | |
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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.) |
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IAlienObject.GetDomainRoot | Returns the root of the domain. (Se hereda de SqlSmoObject.) |
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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.) |
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IAlienObject.GetPropertyType | Gets the type of the specified property. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetPropertyValue | Gets the value of the specified property. (Se hereda de SqlSmoObject.) |
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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.) |
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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.) |
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IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Se hereda de SqlSmoObject.) |
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IAlienObject.SetPropertyValue | Sets the property value. (Se hereda de SqlSmoObject.) |
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ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Se hereda de SqlSmoObject.) |
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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 Default object properties, users can be a member of the public fixed server role.
To set Default object properties, users must have CREATE DEFAULT permission on the database.
To create a default, users must have CREATE DEFAULT permission on the database.
To drop a default, users must have DROP DEFAULT permission on the database.
To bind a default to a column or unbind a default from a column, users must be a member of db_owner or db_ddladmin fixed database roles.
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
Crear, modificar y eliminar valores predeterminados
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