在 Access 中工作时,每当我从一个表中删除一条记录时 - 当定义为一对一关系时,它在另一个表中的相应记录也会被删除。当我告诉它强制引用完整性并关注删除和更新时,这将是正常行为(我如何理解)。但是,当我清除删除的强制参照完整性选项时,或者当我将参照完整性的整个部分也清除时,它似乎也会这样做。
基本上,我有一个表,它是供应商列表,它是另一个不是我自己编写的数据库应用程序的来源。我在我的应用程序中使用此供应商表,将存储在第一个程序中的信息与用户在第二个程序中输入的信息放在一个单独的表中 - 但使用一对一的关系链接(使用两个主键的关系表)。
我不希望删除辅助信息记录导致删除主表中的数据 - 这会在第一个程序中导致重大问题(委婉地说)。有没有办法做到这一点?
--编辑添加于 2009 年 5 月 27 日 @ 1600--
这是从第一个应用程序创建 Supplier_Master 表的 SQL 脚本:
USE [gtdata_test]
GO
/****** Object: Table [dbo].[Supplier_Master] Script Date: 05/27/2009 15:58:17 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[Supplier_Master](
[Supplier_Code] [nvarchar](50) NOT NULL,
[Supplier_Master_Name] [nvarchar](50) NULL,
[Salutation] [nvarchar](50) NULL,
[Contact] [nvarchar](50) NULL,
[Phone] [nvarchar](50) NULL,
[Fax] [nvarchar](50) NULL,
[EMail] [nvarchar](50) NULL,
[Address] [nvarchar](50) NULL,
[City] [nvarchar](50) NULL,
[State] [nvarchar](50) NULL,
[Zip] [nvarchar](50) NULL,
[Country] [nvarchar](50) NULL,
[Last_Review] [datetime] NULL,
[Last_Rating] [datetime] NULL,
[Last_Received] [datetime] NULL,
[Last_Reject] [datetime] NULL,
[Enabled] [int] NULL,
[User1] [nvarchar](50) NULL,
[User2] [nvarchar](50) NULL,
[SupType] [nvarchar](50) NULL,
CONSTRAINT [Supplier_Master$PrimaryKey] PRIMARY KEY CLUSTERED
(
[Supplier_Code] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Address$disallow_zero_length] CHECK ((len([Address])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Address$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$City$disallow_zero_length] CHECK ((len([City])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$City$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Contact$disallow_zero_length] CHECK ((len([Contact])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Contact$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Country$disallow_zero_length] CHECK ((len([Country])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Country$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$EMail$disallow_zero_length] CHECK ((len([EMail])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$EMail$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Fax$disallow_zero_length] CHECK ((len([Fax])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Fax$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Phone$disallow_zero_length] CHECK ((len([Phone])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Phone$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Salutation$disallow_zero_length] CHECK ((len([Salutation])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Salutation$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$State$disallow_zero_length] CHECK ((len([State])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$State$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Supplier_Code$disallow_zero_length] CHECK ((len([Supplier_Code])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Supplier_Code$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Supplier_Master_Name$disallow_zero_length] CHECK ((len([Supplier_Master_Name])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Supplier_Master_Name$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$SupType$disallow_zero_length] CHECK ((len([SupType])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$SupType$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$User1$disallow_zero_length] CHECK ((len([User1])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$User1$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$User2$disallow_zero_length] CHECK ((len([User2])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$User2$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] WITH NOCHECK ADD CONSTRAINT [SSMA_CC$Supplier_Master$Zip$disallow_zero_length] CHECK ((len([Zip])>(0)))
GO
ALTER TABLE [dbo].[Supplier_Master] CHECK CONSTRAINT [SSMA_CC$Supplier_Master$Zip$disallow_zero_length]
GO
ALTER TABLE [dbo].[Supplier_Master] ADD DEFAULT ((0)) FOR [Enabled]
GO
下面是从第二个应用程序创建 tblSupplierInfo 表的 SQL 脚本:
USE [instkeeper_test]
GO
/****** Object: Table [dbo].[tblSupplierInfo] Script Date: 05/27/2009 15:57:30 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[tblSupplierInfo](
[strSupplierID] [nvarchar](50) NOT NULL,
[bolSupAltShipAddyRep] [bit] NULL,
[bolSupAltShipAddyCal] [bit] NULL,
[bolSupInsistNet30] [bit] NULL,
[bolRMARequireRepair] [bit] NULL,
[bolRMARequireCalibration] [bit] NULL,
[bolSupShipOrCourier] [bit] NULL,
[bolSupRequireMSDS] [bit] NULL,
[bolSupBlanketPO] [bit] NULL,
[bolSupRequirePricing] [bit] NULL,
[bolSupBlankPricing] [bit] NULL,
[bolSupFaxPOSend] [bit] NULL,
[bolAdditionalPaperworkRepair] [bit] NULL,
[bolAdditionalPaperworkCalibration] [bit] NULL,
[strRMARepairWordage] [nvarchar](100) NULL,
[strRMACalibrationWordage] [nvarchar](100) NULL,
[intBlanketPO] [int] NULL,
[bolUseFedExNumber] [bit] NULL,
[strFedExNumber] [nvarchar](150) NULL,
[bolUseUPSNumber] [bit] NULL,
[strUPSNumber] [nvarchar](150) NULL,
[bolSupA2LAAccredited] [bit] NULL,
[bolSupFreightAllow] [bit] NULL,
[bolSupFreightOnly] [bit] NULL,
[bolSupUseMiscNum] [bit] NULL,
[strSupMiscFreightNum] [nvarchar](150) NULL,
CONSTRAINT [tblSupplierInfo$PrimaryKey] PRIMARY KEY CLUSTERED
(
[strSupplierID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Supplier Name' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'strSupplierID'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Alternate Shipping Address - Repairs?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolSupAltShipAddyRep'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Alternate Shipping Address - Calibrations?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolSupAltShipAddyCal'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Force Net 30 Wordage?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolSupInsistNet30'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Do repairs require RMAs?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolRMARequireRepair'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Do calibrations require RMAs?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolRMARequireCalibration'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Use Courier?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolSupShipOrCourier'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Requires MSDS(s)?' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tblSupplierInfo', @level2type=N'COLUMN',@level2name=N'bolSupRequireMSDS'
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupAltShipAddyRep]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupAltShipAddyCal]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupInsistNet30]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolRMARequireRepair]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolRMARequireCalibration]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupShipOrCourier]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupRequireMSDS]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupBlanketPO]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((1)) FOR [bolSupRequirePricing]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupBlankPricing]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolSupFaxPOSend]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolAdditionalPaperworkRepair]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolAdditionalPaperworkCalibration]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ('RMA #') FOR [strRMARepairWordage]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ('RMA #') FOR [strRMACalibrationWordage]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [intBlanketPO]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolUseFedExNumber]
GO
ALTER TABLE [dbo].[tblSupplierInfo] ADD DEFAULT ((0)) FOR [bolUseUPSNumber]
GO