User 类

The User object represents a SQL Server user.

继承层次结构

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.User

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> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class User _
    Inherits ScriptNameObjectBase _
    Implements ISfcSupportsDesignMode, IObjectPermission, ICreatable, IDroppable,  _
    IAlterable, IRenamable, IExtendedProperties, IScriptable, IUserOptions,  _
    IDmfFacet
用法
Dim instance As User

[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
public sealed class User : ScriptNameObjectBase, ISfcSupportsDesignMode, 
    IObjectPermission, ICreatable, IDroppable, IAlterable, IRenamable, 
    IExtendedProperties, IScriptable, IUserOptions, IDmfFacet

[PhysicalFacetAttribute]
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
public ref class User sealed : public ScriptNameObjectBase, 
    ISfcSupportsDesignMode, IObjectPermission, ICreatable, IDroppable, IAlterable, 
    IRenamable, IExtendedProperties, IScriptable, IUserOptions, IDmfFacet

[<SealedAttribute>]
[<PhysicalFacetAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
type User =  
    class 
        inherit ScriptNameObjectBase 
        interface ISfcSupportsDesignMode 
        interface IObjectPermission 
        interface ICreatable 
        interface IDroppable 
        interface IAlterable 
        interface IRenamable 
        interface IExtendedProperties 
        interface IScriptable 
        interface IUserOptions 
        interface IDmfFacet 
    end

public final class User extends ScriptNameObjectBase implements ISfcSupportsDesignMode, IObjectPermission, ICreatable, IDroppable, IAlterable, IRenamable, IExtendedProperties, IScriptable, IUserOptions, IDmfFacet

User 类型公开以下成员。

构造函数

	名称	说明
	User()	Initializes a new instance of the User class.
	User(Database, String)	Initializes a new instance of the User class on the specified database with the specified name.

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属性

	名称	说明
	AsymmetricKey	Gets or sets the asymmetric key for the user.
	AuthenticationType	Gets a string value that describes the mechanism used to authenticate the user.
	Certificate	Gets or sets the certificate for the user.
	CreateDate	Gets the date and time when the database user was created.
	DateLastModified	Gets the date and time when the database user was last modified.
	DefaultLanguage	Gets or sets the default language for the user.
	DefaultSchema	Gets the default schema for the database user.
	Events	Gets the events that are associated with the database user.
	ExtendedProperties	Gets the extended properties of the database user.
	HasDBAccess	Gets the Boolean property that specifies whether the database user has access to the database.
	ID	Gets the ID value that uniquely identifies the database user.
	IsSystemObject	Gets the Boolean property that specifies whether the database user is a system object.
	Login	Gets the login that is associated with the database user.
	LoginType	Gets the type of login that is associated with the database user, such as whether it is a Windows group or a SQL Server standard login.
	Name	Gets or sets a String value that specifies the name of the user. （覆盖 NamedSmoObject.Name。）
	Parent	Gets the Database object that is the parent of the User object.
	Properties	Gets a collection of Property objects that represent the object properties. （从 SqlSmoObject 继承。）
	Sid	Gets the security identification number (SID) value of the database user.
	State	Gets the state of the referenced object. （从 SmoObjectBase 继承。）
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. （从 SqlSmoObject 继承。）
	UserData	Gets or sets user-defined data associated with the referenced object. （从 SmoObjectBase 继承。）
	UserType	Gets or sets the type of user.

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方法

	名称	说明
	AddToRole	Adds the database user to the specified role.
	Alter	Updates any User object property changes on the instance of Microsoft SQL Server.
	ChangePassword(SecureString)	Changes the user password.
	ChangePassword(String)	Changes the user password.
	ChangePassword(SecureString, SecureString)	Changes the user password.
	ChangePassword(String, String)	Changes the user password.
	Create()	Creates a database user on the instance of SQL Server as defined by the User object.
	Create(SecureString)	Creates a database user on the instance of SQL Server as defined by the User object with specified password using a secure string.
	Create(String)	Creates a database user on the instance of SQL Server as defined by the User object with specified password.
	Deny(ObjectPermissionSet, String)	Denies access to the specified permission for the specified grantee on the database user.
	Deny(ObjectPermissionSet, array<String[])	Denies access to the specified permission for the specified grantees on the database user.
	Deny(ObjectPermissionSet, String, Boolean)	Denies access to the specified permission for the specified grantee and other users whom the grantee granted access on the database user.
	Deny(ObjectPermissionSet, array<String[], Boolean)	Denies access to the specified permission for the specified grantees on the database user.
	Discover	Discovers a list of type Object. （从 SqlSmoObject 继承。）
	Drop	Removes the user from the database.
	EnumObjectPermissions()	Enumerates a list of object permissions for the database user.
	EnumObjectPermissions(String)	Enumerates a list of object permissions for a specified grantee on the database user.
	EnumObjectPermissions(ObjectPermissionSet)	Enumerates a list of object permissions for a specified permission on the database user.
	EnumObjectPermissions(String, ObjectPermissionSet)	Enumerates a list of object permissions for a specified grantee and a specified permission on the database user.
	EnumOwnedObjects	Enumerates a list of object that the database user owns.
	EnumRoles	Enumerates a list of roles of which the database user is a member.
	Equals	（从 Object 继承。）
	FormatSqlVariant	Formats an object as SqlVariant type. （从 SqlSmoObject 继承。）
	GetContextDB	Gets the context database that is associated with this object. （从 SqlSmoObject 继承。）
	GetDBName	Gets the database name that is associated with the object. （从 SqlSmoObject 继承。）
	GetHashCode	（从 Object 继承。）
	GetPropValue	Gets a property value of the SqlSmoObject object. （从 SqlSmoObject 继承。）
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. （从 SqlSmoObject 继承。）
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. （从 SqlSmoObject 继承。）
	GetServerObject	Gets the server of the SqlSmoObject object. （从 SqlSmoObject 继承。）
	GetType	（从 Object 继承。）
	Grant(ObjectPermissionSet, String)	Grants access to the specified permission for the specified grantee on the database user.
	Grant(ObjectPermissionSet, array<String[])	Grants access to the specified permission for the specified grantees on the database user.
	Grant(ObjectPermissionSet, String, Boolean)	Grants access to the specified permission and the ability to grant access to other users for the specified grantee on the database user.
	Grant(ObjectPermissionSet, array<String[], Boolean)	Grants access to the specified permission and the ability to grant access to other users for the specified grantees on the database user.
	Grant(ObjectPermissionSet, String, Boolean, String)	Grants access to the specified permission and the ability to grant access to other users for the specified grantee on the database user.
	Grant(ObjectPermissionSet, array<String[], Boolean, String)	Grants access to the specified permission and the ability to grant access to other users for the specified grantee on the database user under an assumed role.
	Initialize()	Initializes the object and forces the properties be loaded. （从 SqlSmoObject 继承。）
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. （从 SqlSmoObject 继承。）
	IsMember	Verifies whether the database user is a member of the specified role.
	IsObjectInitialized	Verifies whether the object has been initialized. （从 SqlSmoObject 继承。）
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. （从 SqlSmoObject 继承。）
	MakeContained	Converts a login mapped user to a contained user with password using the sys.sp_copy_password_to_user stored procedure.
	Refresh	Refreshes the script name. （从 ScriptNameObjectBase 继承。）
	Rename	Renames the database user.
	Revoke(ObjectPermissionSet, String)	Revokes previously granted permissions from a grantee on the database user.
	Revoke(ObjectPermissionSet, array<String[])	Revokes previously granted permissions from a list of grantees on the database user.
	Revoke(ObjectPermissionSet, String, Boolean, Boolean)	Revokes previously granted permissions from a grantee on the database user and any other users to whom the grantee has granted access. The grantee is also given the ability to revoke other users' access.
	Revoke(ObjectPermissionSet, array<String[], Boolean, Boolean)	Revokes previously granted permissions from the grantees on the database user and any other users to whom the grantees have granted access. The grantees are also given the ability to revoke other users' access.
	Revoke(ObjectPermissionSet, String, Boolean, Boolean, String)	Revokes previously granted permissions from a grantee on the database user and any other users to whom the grantee has granted access. The grantee is also given the ability to revoke other users' access under an assumed role.
	Revoke(ObjectPermissionSet, array<String[], Boolean, Boolean, String)	Revokes previously granted permissions from grantees on the database user and any other users to whom the grantees have granted access. The grantees are also given the ability to revoke other users' access under an assumed role.
	Script()	Generates a Transact-SQL script that can be used to re-create the database user.
	Script(ScriptingOptions)	Generates a Transact-SQL script that can be used to re-create the database user as specified by the script options.
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. （从 SqlSmoObject 继承。）
	ToString	Returns a String that represents the referenced object. （从 SqlSmoObject 继承。）
	Validate	Validates the state of an object. （从 SmoObjectBase 继承。）

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事件

	名称	说明
	PropertyChanged	Represents the event that occurs when a property is changed. （从 SqlSmoObject 继承。）
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. （从 SqlSmoObject 继承。）

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显式接口实现

	名称	说明
	IAlienObject.Discover	Discovers any dependencies. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 （从 SqlSmoObject 继承。）
	IAlienObject.GetDomainRoot	Returns the root of the domain. （从 SqlSmoObject 继承。）
	IAlienObject.GetParent	Gets the parent of this object. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 （从 SqlSmoObject 继承。）
	IAlienObject.GetPropertyType	Gets the type of the specified property. （从 SqlSmoObject 继承。）
	IAlienObject.GetPropertyValue	Gets the value of the specified property. （从 SqlSmoObject 继承。）
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 （从 SqlSmoObject 继承。）
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. （从 SqlSmoObject 继承。）
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. （从 SqlSmoObject 继承。）
	IAlienObject.SetPropertyValue	Sets the property value. （从 SqlSmoObject 继承。）
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. （从 SqlSmoObject 继承。）
	ISfcSupportsDesignMode.IsDesignMode	Gets a Boolean value that specifies whether the user supports design mode.

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注释

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

To set User object properties, uses must have ALTER ANY USER permission on the database or be a member of the db_owner fixed database role.

To change the default schema, users must have ALTER permission on the specified user or be the owner of the user.

To create or drop a user, users must have ALTER ANY USER permission on the fixed server role or be a member of the db_owner fixed database role.

To grant, deny, or revoke permission on the specified user to other users, users must have CONTROL permission on the specified user.

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。但不保证所有实例成员都是线程安全的。

示例

管理用户、角色和登录名

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。

请参阅

参考

Microsoft.SqlServer.Management.Smo 命名空间

其他资源

CREATE USER (Transact-SQL)