Classe Rule

The Rule object provides programmatic access to a SQL Server rule.

Hierarquia de herança

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.Rule

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)

Sintaxe

'Declaração
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)> _
Public NotInheritable Class Rule _
    Inherits DefaultRuleBase _
    Implements ISfcSupportsDesignMode
'Uso
Dim instance As Rule

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)]
public sealed class Rule : DefaultRuleBase, ISfcSupportsDesignMode

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute(PhysicalFacetOptions::ReadOnly)]
public ref class Rule sealed : public DefaultRuleBase, 
    ISfcSupportsDesignMode

[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)>]
type Rule =  
    class 
        inherit DefaultRuleBase 
        interface ISfcSupportsDesignMode 
    end

public final class Rule extends DefaultRuleBase implements ISfcSupportsDesignMode

O tipo Rule expõe os membros a seguir.

Construtores

	Nome	Descrição
	Rule()	Initializes a new instance of the Rule class.
	Rule(Database, String)	Initializes a new instance of the Rule class on the specified database and with the specified name.
	Rule(Database, String, String)	Initializes a new instance of the Rule class on the specified database, with the specified name and schema.

Início

Propriedades

	Nome	Descrição
	CreateDate	Gets the time and date when the rule was created.
	DateLastModified	Gets the time and date when the rule was last modified.
	ExtendedProperties	Represents a collection of ExtendedProperty objects. Each ExtendedProperty object represents an extended property on the Default object or the Rule object. (Herdado de DefaultRuleBase.)
	ID	Gets the ID value that uniquely identifies the rule.
	Name	Gets or sets the name of the schema. (Herdado de ScriptSchemaObjectBase.)
	Parent	Gets or sets the Database object that is the parent of the Rule object.
	Properties	Gets a collection of Property objects that represent the object properties. (Herdado de SqlSmoObject.)
	Schema	Gets or sets the schema. (Herdado de ScriptSchemaObjectBase.)
	State	Gets the state of the referenced object. (Herdado de SmoObjectBase.)
	TextBody	Gets or sets the text that defines the default or rule. (Herdado de DefaultRuleBase.)
	TextHeader	Gets or sets the header of the text body that defines the default or rule. (Herdado de DefaultRuleBase.)
	TextMode	Gets or sets the Boolean property value that specifies whether the Default object or Rule object header is editable as text. (Herdado de DefaultRuleBase.)
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Herdado de SqlSmoObject.)
	UserData	Gets or sets user-defined data associated with the referenced object. (Herdado de SmoObjectBase.)

Início

Métodos

	Nome	Descrição
	Alter	Updates any Default object or Rule object property changes on instance of SQL Server. (Herdado de DefaultRuleBase.)
	BindToColumn(String, String)	Binds the default or rule to the specified column in the specified table. (Herdado de DefaultRuleBase.)
	BindToColumn(String, String, String)	Binds the default or rule to the specified column in the specified table with the specified schema. (Herdado de DefaultRuleBase.)
	BindToDataType	Binds the default or rule to a data type. (Herdado de DefaultRuleBase.)
	ChangeSchema	Changes the schema associated with the rule.
	Create	Creates a default or rule on the instance of SQL Server as defined by the Default object or Rule object. (Herdado de DefaultRuleBase.)
	Discover	Discovers a list of type Object. (Herdado de SqlSmoObject.)
	Drop	Removes the rule or the default. (Herdado de DefaultRuleBase.)
	EnumBoundColumns	Enumerates a list of columns to which the default or rule is bound. (Herdado de DefaultRuleBase.)
	EnumBoundDataTypes	Enumerates a list of data types to which the default or rule is bound. (Herdado de DefaultRuleBase.)
	Equals	(Herdado de Object.)
	FormatSqlVariant	Formats an object as SqlVariant type. (Herdado de SqlSmoObject.)
	GetContextDB	Gets the context database that is associated with this object. (Herdado de SqlSmoObject.)
	GetDBName	Gets the database name that is associated with the object. (Herdado de SqlSmoObject.)
	GetHashCode	(Herdado de Object.)
	GetPropValue	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetServerObject	Gets the server of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetType	(Herdado de Object.)
	Initialize()	Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.)
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.)
	IsObjectInitialized	Verifies whether the object has been initialized. (Herdado de SqlSmoObject.)
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. (Herdado de SqlSmoObject.)
	Refresh	Refreshes the script name. (Herdado de ScriptNameObjectBase.)
	Script()	Generates a Transact-SQL script that can be used to re-create the default or rule. (Herdado de DefaultRuleBase.)
	Script(ScriptingOptions)	Generates a Transact-SQL script that can be used to re-create the default or rule as specified by the script options. (Herdado de DefaultRuleBase.)
	ScriptHeader	Generates a Transact-SQL script that can be used to re-create the default or rule header as specified by the script options. (Herdado de DefaultRuleBase.)
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. (Herdado de SqlSmoObject.)
	ToString	Returns a String that represents the referenced object. (Herdado de SqlSmoObject.)
	UnbindFromColumn(String, String)	Unbinds the default or rule from the specified column. (Herdado de DefaultRuleBase.)
	UnbindFromColumn(String, String, String)	Unbinds the default or rule from the specified column with the specified table schema. (Herdado de DefaultRuleBase.)
	UnbindFromDataType	Unbinds the default or rule from the specified data type (Herdado de DefaultRuleBase.)
	Validate	Validates the state of an object. (Herdado de SmoObjectBase.)

Início

Eventos

	Nome	Descrição
	PropertyChanged	Represents the event that occurs when a property is changed. (Herdado de SqlSmoObject.)
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. (Herdado de SqlSmoObject.)

Início

Implementações de interfaces explícitas

	Nome	Descrição
	IAlienObject.Discover	Discovers any dependencies. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.GetDomainRoot	Returns the root of the domain. (Herdado de SqlSmoObject.)
	IAlienObject.GetParent	Gets the parent of this object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.GetPropertyType	Gets the type of the specified property. (Herdado de SqlSmoObject.)
	IAlienObject.GetPropertyValue	Gets the value of the specified property. (Herdado de SqlSmoObject.)
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Herdado de SqlSmoObject.)
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. (Herdado de SqlSmoObject.)
	IAlienObject.SetPropertyValue	Sets the property value. (Herdado de SqlSmoObject.)
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. (Herdado de SqlSmoObject.)
	ISfcSupportsDesignMode.IsDesignMode	Gets a Boolean value that indicates whether the object supports design mode. Identificado apenas para fins informativos. Sem suporte. A compatibilidade futura não está garantida.

Início

Comentários

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

To set Rule object properties, users must have CREATE RULE permission on the parent database or be a member of the db_owner fixed database role.

To create a rule, users must have CREATE RULE permission on the parent database or be a member of the db_owner fixed database role.

To drop a rule, users must have ALTER permission on the schema to which the rule belongs.

To bind or unbind a rule to a table, users must have ALTER permission on the table.

To bind or unbind a rule to a data type, users must have ALTER permission on the schema to which the data type belongs.

Thread Safety

Qualquer membro público estático (Compartilhado no Microsoft Visual Basic) desse tipo é seguro para operações multi-threaded. Não há garantia de que qualquer membro de instância seja seguro para threads.

Exemplos

Criando, alterando e removendo regras

Segurança de thread

Qualquer membro público static (Shared no Visual Basic) desse tipo é seguro para threads. Não há garantia de que qualquer membro de instância seja seguro para threads.

Consulte também

Referência

Namespace Microsoft.SqlServer.Management.Smo

Outros recursos

Regras

CREATE RULE (Transact-SQL)