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Check.MarkForDrop 方法

Marks the foreign key to be dropped next time its parent Table object is altered by the Alter method.

命名空間:  Microsoft.SqlServer.Management.Smo
組件:  Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public Sub MarkForDrop ( _
    dropOnAlter As Boolean _
)
'用途
Dim instance As Check 
Dim dropOnAlter As Boolean

instance.MarkForDrop(dropOnAlter)
public void MarkForDrop(
    bool dropOnAlter
)
public:
virtual void MarkForDrop(
    bool dropOnAlter
) sealed
abstract MarkForDrop : 
        dropOnAlter:bool -> unit  
override MarkForDrop : 
        dropOnAlter:bool -> unit
public final function MarkForDrop(
    dropOnAlter : boolean
)

參數

  • dropOnAlter
    型別:System.Boolean
    A Boolean value that specifies whether the check constraint is dropped when an Alter method is run on the parent SqlSmoObject object.If True, the check constraint is dropped when the table is altered.If False, the check constraint is not marked for drop.

實作

IMarkForDrop.MarkForDrop(Boolean)

備註

[!附註]

For check constraints based on the UserDefinedTableType object this method generates an exception because user-defined data types cannot be modified.

範例

呼叫方法

請參閱

參考

Check 類別

Microsoft.SqlServer.Management.Smo 命名空間

其他資源

使用資料庫物件

CHECK 條件約束

CREATE TABLE (Transact-SQL)