Classe Column
The Column object represents a SQL Server column.
Spazio dei nomi: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Sintassi
'Dichiarazione
Public NotInheritable Class Column _
Inherits ScriptNameObjectBase _
Implements IPropertyDataDispatch, ICreatable, IAlterable, IDroppable, _
IMarkForDrop, IExtendedProperties, IRenamable
'Utilizzo
Dim instance As Column
public sealed class Column : ScriptNameObjectBase,
IPropertyDataDispatch, ICreatable, IAlterable, IDroppable, IMarkForDrop,
IExtendedProperties, IRenamable
public ref class Column sealed : public ScriptNameObjectBase,
IPropertyDataDispatch, ICreatable, IAlterable, IDroppable, IMarkForDrop,
IExtendedProperties, IRenamable
[<SealedAttribute>]
type Column =
class
inherit ScriptNameObjectBase
interface IPropertyDataDispatch
interface ICreatable
interface IAlterable
interface IDroppable
interface IMarkForDrop
interface IExtendedProperties
interface IRenamable
end
public final class Column extends ScriptNameObjectBase implements IPropertyDataDispatch, ICreatable, IAlterable, IDroppable, IMarkForDrop, IExtendedProperties, IRenamable
Osservazioni
To get Column object properties, users can be a member of the public fixed server role.
To do any of the following, users must have ALTER permission on the parent table, or be a member of the db_owner fixed database role:
Set Column object properties and run the Alter method
Create a column
Drop a column
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.
Gerarchia di ereditarietà
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..::..Column
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.
Vedere anche