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Index.IsUnique-Eigenschaft

Gets or sets the Boolean property value that specifies whether the index is unique or not.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Syntax

'Declaration
<SfcPropertyAttribute(SfcPropertyFlags.None Or SfcPropertyFlags.ReadOnlyAfterCreation Or SfcPropertyFlags.Standalone Or SfcPropertyFlags.SqlAzureDatabase Or SfcPropertyFlags.Design Or SfcPropertyFlags.Deploy)> _
Public Property IsUnique As Boolean 
    Get 
    Set
'Usage
Dim instance As Index 
Dim value As Boolean 

value = instance.IsUnique

instance.IsUnique = value
[SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.ReadOnlyAfterCreation|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design|SfcPropertyFlags.Deploy)]
public bool IsUnique { get; set; }
[SfcPropertyAttribute(SfcPropertyFlags::None|SfcPropertyFlags::ReadOnlyAfterCreation|SfcPropertyFlags::Standalone|SfcPropertyFlags::SqlAzureDatabase|SfcPropertyFlags::Design|SfcPropertyFlags::Deploy)]
public:
property bool IsUnique {
    bool get ();
    void set (bool value);
}
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.ReadOnlyAfterCreation|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design|SfcPropertyFlags.Deploy)>]
member IsUnique : bool with get, set
function get IsUnique () : boolean 
function set IsUnique (value : boolean)

Eigenschaftswert

Typ: System.Boolean
A Boolean value that specifies whether the index is unique or not.If True, the index is unique.If False (default), the index is not unique.

Hinweise

This property cannot be modified by using the Alter method. To change the property, the index must be rebuilt or re-created.

Beispiele

Erstellen, Ändern und Löschen von Indizes

Siehe auch

Verweis

Index Klasse

Microsoft.SqlServer.Management.Smo-Namespace

Andere Ressourcen

Indizes

CREATE INDEX (Transact-SQL)