Classe Check
The Check object represents a Microsoft SQL Server check constraint.
Espace de noms : Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (dans Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
Public NotInheritable Class Check _
Inherits ScriptNameObjectBase _
Implements ICreatable, IDroppable, IRenamable, IMarkForDrop, _
IAlterable, IExtendedProperties, IScriptable
'Utilisation
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
Notes
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
Tout membre statique public (Partagé dans Microsoft Visual Basic) de ce type est sûr dans le cadre des opérations à plusieurs threads. Tous les membres de l'instance ne sont pas garantis comme sûrs.
Hiérarchie d'héritage
System. . :: . .Object
Microsoft.SqlServer.Management.Smo. . :: . .SmoObjectBase
Microsoft.SqlServer.Management.Smo. . :: . .SqlSmoObject
Microsoft.SqlServer.Management.Smo. . :: . .NamedSmoObject
Microsoft.SqlServer.Management.Smo. . :: . .ScriptNameObjectBase
Microsoft.SqlServer.Management.Smo..::..Check
Sécurité des threads
Tous les membres publics static (Shared dans Visual Basic) de ce type sont thread-safe. Il n'est pas garanti que les membres d'instance soient thread-safe.
Voir aussi