1、A composite key is a key made up of multiple columns.
復(fù)合鍵就是由多個(gè)列組成的鍵。

2、This is where the composite key is defined with nested @AttributeOverrides annotations.
組合鍵就是在這里使用嵌套 @AttributeOverrides注釋定義的。

3、This annotation is the first piece of the composite key jigsaw puzzle.
此注釋是組合鍵拼圖中的第一塊。

4、The composite key defined in listings 1 and 2 allows you to bundle a number of columns together.
清單1和清單2中定義的組合鍵允許您將多個(gè)列綁定在一起。

5、Next up in Listing 2 is the @IdClass annotation, which defines the composite key class reference.
清單2中的下一個(gè)注釋是 @IdClass，它定義組合鍵類(lèi)引用。

6、These annotations are used to define the composite key columns: "STREET" and "CITY" respectively.
這些注釋用于定義組合鍵列：分別是“STREET”和“CITY”。

composite key翻譯