| 1. | Cascading deletes are a scary concept initially
级联删除起初是一个可怕的概念。 |
| 2. | Relationship should not trigger a cascading delete
关系不应触发级联删除。 |
| 3. | Relationships defined , you may trigger a cascading delete
关系，则有可能会触发级联（ cascading ）删除。 |
| 4. | Cascade delete in database speak
级联删除） 。 |
| 5. | For database cascading delete
级联删除 |
| 6. | Cascade deletes all rows containing data involved in the foreign key relationship
级联删除包含外键关系中所涉及的数据的所有行。 |
| 7. | Now that you know all about cascading deletes and you ve promised to be careful , you can see the actual code to execute the embedded
如果您已经完全了解了级联删除，并保证会多加小心，那么您就可以来看执行嵌入的 |
| 8. | Users can exists outside of a group ; that is , aggregation not composition in database speak no cascade delete relationship exists between
用户可以存在于组外，即是aggregation而不是composition （用数据库的说法，在 |
