你能解释下面的代码中使用sys.sp_addextendedproperty吗？
创build视图后，下面的代码是怎么回事？ 你能给我任何想法或path吗？
这段代码是从这里取的。
/****** Object: View [dbo].[vProductImages] Script Date: 04/28/2008 16:59:05 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE VIEW [dbo].[vProductImages] AS SELECT dbo.Products_Images.ProductID, dbo.Images.ThumbUrl, dbo.Images.FullImageUrl FROM dbo.Products_Images INNER JOIN dbo.Images ON dbo.Products_Images.ImageID = dbo.Images.ImageID GO EXEC sys.sp_addextendedproperty @name=N'MS_DiagramPane1', @value=N'[0E232FF0-B466-11cf-A24F-00AA00A3EFFF, 1.00] Begin DesignProperties = Begin PaneConfigurations = Begin PaneConfiguration = 0 NumPanes = 4 Configuration = "(H (1[40] 4[20] 2[20] 3) )" End Begin PaneConfiguration = 1 NumPanes = 3 Configuration = "(H (1 [50] 4 [25] 3))" End Begin PaneConfiguration = 2 NumPanes = 3 Configuration = "(H (1 [50] 2 [25] 3))" End Begin PaneConfiguration = 3 NumPanes = 3 Configuration = "(H (4 [30] 2 [40] 3))" End Begin PaneConfiguration = 4 NumPanes = 2 Configuration = "(H (1 [56] 3))" End Begin PaneConfiguration = 5 NumPanes = 2 Configuration = "(H (2 [66] 3))" End Begin PaneConfiguration = 6 NumPanes = 2 Configuration = "(H (4 [50] 3))" End Begin PaneConfiguration = 7 NumPanes = 1 Configuration = "(V (3))" End Begin PaneConfiguration = 8 NumPanes = 3 Configuration = "(H (1[56] 4[18] 2) )" End Begin PaneConfiguration = 9 NumPanes = 2 Configuration = "(H (1 [75] 4))" End Begin PaneConfiguration = 10 NumPanes = 2 Configuration = "(H (1[66] 2) )" End Begin PaneConfiguration = 11 NumPanes = 2 Configuration = "(H (4 [60] 2))" End Begin PaneConfiguration = 12 NumPanes = 1 Configuration = "(H (1) )" End Begin PaneConfiguration = 13 NumPanes = 1 Configuration = "(V (4))" End Begin PaneConfiguration = 14 NumPanes = 1 Configuration = "(V (2))" End ActivePaneConfig = 0 End Begin DiagramPane = Begin Origin = Top = 0 Left = 0 End Begin Tables = Begin Table = "Products_Images" Begin Extent = Top = 6 Left = 38 Bottom = 99 Right = 208 End DisplayFlags = 280 TopColumn = 0 End Begin Table = "Images" Begin Extent = Top = 6 Left = 246 Bottom = 116 Right = 416 End DisplayFlags = 280 TopColumn = 0 End End End Begin SQLPane = End Begin DataPane = Begin ParameterDefaults = "" End Begin ColumnWidths = 9 Width = 284 Width = 1500 Width = 1500 Width = 1500 Width = 1500 Width = 1500 Width = 1500 Width = 1500 Width = 1500 End End Begin CriteriaPane = Begin ColumnWidths = 11 Column = 1440 Alias = 900 Table = 1170 Output = 720 Append = 1400 NewValue = 1170 SortType = 1350 SortOrder = 1410 GroupBy = 1350 Filter = 1350 Or = 1350 Or = 1350 Or = 1350 End End End ' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'VIEW',@level1name=N'vProductImages' GO EXEC sys.sp_addextendedproperty @name=N'MS_DiagramPaneCount', @value=1 , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'VIEW',@level1name=N'vProductImages' GO 它看起来像你使用GUIdevise器来创build视图。 为了在devise器中保存表格的graphics布局，它将这个元数据存储为扩展属性。 它不影响视图的实际处理方式。 只是让你可以再次运行devise师，让它看起来像你离开它。
