Base table(基本表):一个命名的表,其记录物理的存储在数据库中。 Bottom-up approach(自底向上办法):用于数据库设计,一种设计办法学,他从标识每个设计组建开始...
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如果一个实体定义了缩写属性,那么对应的表根据缩写属性命名。
If an entity has a defined abbreviation property, the corresponding table is named according to the abbreviation property.
下面的示例演示了如何使用ALTER TABLE命令重命名一个列,同时保持表具有完整的可访问性?
The following example demonstrates how to rename a column using the ALTER table command while keeping the table fully accessible.
因为将会有三个类全部映射回相同的表中,因此需要有一种方式来将每一个类单独命名(这在真实的应用程序中不大可能会发生)。
You're going to have three classes that all map back to the same table, so you need a way to keep each class uniquely named. (This is something that is not likely to happen in a real application.)
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