DatabaseOptions.ConcatenateNullYieldsNull 屬性
Gets or sets a Boolean property value that specifies whether the CONCAT_NULL_YIELDS_NULL database option is active.
命名空間： Microsoft.SqlServer.Management.Smo
組件： Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)
語法
'宣告
<SfcPropertyAttribute(SfcPropertyFlags.Standalone)> _
Public Property ConcatenateNullYieldsNull As Boolean
Get
Set
'用途
Dim instance As DatabaseOptions
Dim value As Boolean
value = instance.ConcatenateNullYieldsNull
instance.ConcatenateNullYieldsNull = value
[SfcPropertyAttribute(SfcPropertyFlags.Standalone)]
public bool ConcatenateNullYieldsNull { get; set; }
[SfcPropertyAttribute(SfcPropertyFlags::Standalone)]
public:
property bool ConcatenateNullYieldsNull {
bool get ();
void set (bool value);
}
[<SfcPropertyAttribute(SfcPropertyFlags.Standalone)>]
member ConcatenateNullYieldsNull : bool with get, set
function get ConcatenateNullYieldsNull () : boolean
function set ConcatenateNullYieldsNull (value : boolean)
屬性值
型別：System.Boolean
A Boolean value that specifies whether the CONCAT_NULL_YIELDS_NULL database option is active.If True, the concatenated result is NULL.If False (default), the value is concatenated with a zero string.
備註
This property specifies whether a value that is concatenated with a null value results in a null value or in a zero string.
也可以使用 Transact-SQL ALTER DATABASE 陳述式變更此選項。
範例
請參閱
參考
Microsoft.SqlServer.Management.Smo 命名空間