共用方式為

  • 發行項

AnsiNullDefaultOff 屬性

Gets or sets the Boolean property value that specifies whether new columns created allow null values by default or not.

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

語法

'宣告
<SfcPropertyAttribute> _
Public Property AnsiNullDefaultOff As Boolean
    Get
    Set
'用途
Dim instance As UserOptions
Dim value As Boolean

value = instance.AnsiNullDefaultOff

instance.AnsiNullDefaultOff = value

[SfcPropertyAttribute]
public bool AnsiNullDefaultOff { get; set; }

[SfcPropertyAttribute]
public:
property bool AnsiNullDefaultOff {
    bool get ();
    void set (bool value);
}

[<SfcPropertyAttribute>]
member AnsiNullDefaultOff : bool with get, set

function get AnsiNullDefaultOff () : boolean
function set AnsiNullDefaultOff (value : boolean)

屬性值

型別：System. . :: . .Boolean
A Boolean value that specifies the whether newly created columns allow nulls by default or not.
If True, new columns created do not allow null values by default.
If False (default), new columns created allow null values by default.

備註

This property is mutually exclusive of the AnsiNullDefaultOn property. An exception occurs if you attempt to set both properties to True simultaneously. The default nullability of a new column can be overridden by adding the NULL or NOT NULL clause to the CREATE or ALTER TABLE statement.