DefaultConstraint Class

2008-12-15

The DefaultConstraint object represents a Microsoft SQL Server default constraint.

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
Public NotInheritable Class DefaultConstraint
    Inherits ScriptNameObjectBase
    Implements ICreatable, IDroppable, IRenamable, IAlterable, _
    IExtendedProperties, IScriptable

public sealed class DefaultConstraint : ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

public ref class DefaultConstraint sealed : public ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

备注

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

To get DefaultConstraint object properties, users can be members of the public fixed server role.

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

To create or drop a default constraint, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

Inheritance Hierarchy

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.DefaultConstraint

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台