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DefaultConstraint Class

The DefaultConstraint object represents a Microsoft SQL Server default constraint.

命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

語法

'宣告
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

備註

只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。

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

執行緒安全性

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

開發平台

如需受支援的平台清單,請參閱<安裝 SQL Server 2005 的硬體和軟體需求>。

目標平台

如需受支援的平台清單,請參閱<安裝 SQL Server 2005 的硬體和軟體需求>。

請參閱

參考

DefaultConstraint Members
Microsoft.SqlServer.Management.Smo Namespace

其他資源

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