ConcatenateNullYieldsNull propriété
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 (dans Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
<DisplayDescriptionKeyAttribute("Database_ConcatenateNullYieldsNullDesc")> _
<DisplayNameKeyAttribute("Database_ConcatenateNullYieldsNullName")> _
Property ConcatenateNullYieldsNull As Boolean
Get
Set
'Utilisation
Dim instance As IDatabaseOptions
Dim value As Boolean
value = instance.ConcatenateNullYieldsNull
instance.ConcatenateNullYieldsNull = value
[DisplayDescriptionKeyAttribute("Database_ConcatenateNullYieldsNullDesc")]
[DisplayNameKeyAttribute("Database_ConcatenateNullYieldsNullName")]
bool ConcatenateNullYieldsNull { get; set; }
[DisplayDescriptionKeyAttribute(L"Database_ConcatenateNullYieldsNullDesc")]
[DisplayNameKeyAttribute(L"Database_ConcatenateNullYieldsNullName")]
property bool ConcatenateNullYieldsNull {
bool get ();
void set (bool value);
}
[<DisplayDescriptionKeyAttribute("Database_ConcatenateNullYieldsNullDesc")>]
[<DisplayNameKeyAttribute("Database_ConcatenateNullYieldsNullName")>]
abstract ConcatenateNullYieldsNull : bool with get, set
function get ConcatenateNullYieldsNull () : boolean
function set ConcatenateNullYieldsNull (value : boolean)
Valeur de la 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.
Voir aussi