我是一名即将到来的 DBA，我没有编写任何 java 代码，但是.. 有太多的继承，表之间的紧密耦合，我也可以举个例子，比如
CREATE TABLE [dbo].[A](
[application] [varchar](50) NULL,
[category] [varchar](50) NULL,
[corporateCode] [varchar](50) NULL,
[critical] [bit] NULL,
[initialCondition] [varchar](50) NULL,
[initialLossOfLife] [decimal](3, 2) NULL,
[installationDate] [date] NULL,
[lotNumber] [varchar](50) NULL,
[BID] [int] NOT NULL,
CONSTRAINT [PK_A] PRIMARY KEY CLUSTERED
(
[AID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
去
设置 ANSI_PADDING 关闭
去吧
ALTER TABLE [dbo].[A] WITH CHECK ADD CONSTRAINT [FK_BID] FOREIGN KEY([B])
参考 [dbo].[B] ([BID])
去吧
CREATE TABLE [dbo].[B](
[BID] [int] NOT NULL,
CONSTRAINT [PK_B] PRIMARY KEY CLUSTERED
(
[BID] 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].[B] WITH CHECK ADD CONSTRAINT [FK_B_A] FOREIGN KEY([BID])
REFERENCES [dbo].[A] ([AID])
GO
ALTER TABLE [dbo].[B] CHECK CONSTRAINT [FK_B_A]
GO
如何在这种设计中甚至从表示层插入？