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Classe Check

The Check object represents a Microsoft SQL Server check constraint.

Spazio dei nomi:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class Check _
    Inherits ScriptNameObjectBase _
    Implements ICreatable, IDroppable, IRenamable, IMarkForDrop,  _
    IAlterable, IExtendedProperties, IScriptable
'Utilizzo
Dim instance As Check

public sealed class Check : ScriptNameObjectBase, 
    ICreatable, IDroppable, IRenamable, IMarkForDrop, IAlterable, 
    IExtendedProperties, IScriptable

public ref class Check sealed : public ScriptNameObjectBase, 
    ICreatable, IDroppable, IRenamable, IMarkForDrop, IAlterable, 
    IExtendedProperties, IScriptable

[<SealedAttribute>]
type Check =  
    class
        inherit ScriptNameObjectBase
        interface ICreatable
        interface IDroppable
        interface IRenamable
        interface IMarkForDrop
        interface IAlterable
        interface IExtendedProperties
        interface IScriptable
    end

public final class Check extends ScriptNameObjectBase implements ICreatable, IDroppable, IRenamable, IMarkForDrop, IAlterable, IExtendedProperties, IScriptable

Osservazioni

To get Check object properties, users can be a member of the public fixed server role.

To set Check object properties and run the Alter method, users must have ALTER permission on the parent table or column, or be a member of the db_owner fixed database role.

To create a check constraint, users must have ALTER permission on the parent table, or be a member of the db_owner fixed database role.

To drop a check constraint, users must have ALTER permission on the parent table, or be a member of the db_owner fixed database role.

Thread Safety

Tutti i membri statici pubblici (Shared in Microsoft Visual Basic) di questo tipo sono sicuri per le operazioni a thread multipli. Non è invece garantita la sicurezza dei membri dell'istanza.

Thread Safety

Tutti i membri pubblici static (Shared in Visual Basic) di questo tipo sono thread safe. I membri di istanza non hanno garanzia di essere thread safe.