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Column 類別

The Column object represents a SQL Server column.

命名空間：  Microsoft.SqlServer.Management.Smo
組件：  Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public NotInheritable Class Column _
    Inherits ScriptNameObjectBase _
    Implements IPropertyDataDispatch, ICreatable, IAlterable, IDroppable,  _
    IMarkForDrop, IExtendedProperties, IRenamable
'用途
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

備註

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

這種類型的任何公用靜態 (在 Microsoft Visual Basic 中則為 Shared) 成員都可用於多執行緒作業。並不是所有的執行個體成員都保證可以用於所有的執行緒。

執行緒安全性

這個類型的任何公用static (在 Visual Basic 中為 Shared) 成員都是安全執行緒。不保證任何執行個體成員都可以是安全執行緒。