The application never knows what value is put into the primary key column after running the INSERT statement.
在运行insert语句之后,应用程序将永远都不知道放入了主键列中的是什么值。
Key generator function to construct index key during INSERT and UPDATE operations.
用于在INSERT和UPDATE操作中构造索引键的键生成器函数。
In table 6, the INSERT into the Orders table fails due to a foreign key constraint violation on custno.
在表6中,对orders表执行insert语句失败,因为custno违背了外键约束。
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