Check Class

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

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

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

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

Osservazioni

Questo spazio dei nomi, classe o membro è supportato solo nella versione 2.0 di Microsoft .NET Framework.

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.

Inheritance Hierarchy

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

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Piattaforme

Piattaforme di sviluppo

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Piattaforme di destinazione

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Vedere anche

Riferimento

Check Members
Microsoft.SqlServer.Management.Smo Namespace

Altre risorse

Working with Database Objects
Vincoli CHECK
CREATE TABLE (Transact-SQL)