Propriété DatabaseOptions.ConcatenateNullYieldsNull
Gets or sets a Boolean property value that specifies whether the CONCAT_NULL_YIELDS_NULL database option is active.
Espace de noms : Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
<SfcPropertyAttribute(SfcPropertyFlags.Standalone)> _
Public Property ConcatenateNullYieldsNull As Boolean
Get
Set
'Utilisation
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)
Valeur de propriété
Type : 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.
Notes
This property specifies whether a value that is concatenated with a null value results in a null value or in a zero string.
Cette option peut aussi être modifiée à l'aide de l'instruction Transact-SQL ALTER DATABASE.
Exemples
Voir aussi
Référence
Espace de noms Microsoft.SqlServer.Management.Smo