Batch deletes (including associations)

Author: AnghelLeonard

HibernateSpringBootBatchDeleteOrphanRemoval/README.md

@@ -2,9 +2,9 @@
 
 **Description:** Batch deletes in MySQL via `orphanRemoval=true`.
 
-**Note:** Spring `deleteAllInBatch()` and `deleteInBatch()` don't use batching and don't take advantage of `orphanRemoval=true`. The first one simply triggers a `delete from entity_name` statement, while the second one triggers a `delete from entity_name where id=? or id=? or id=? ...` statement. Using these methods for deleting a parent entities and the associated entites (children) requires explicit calls for both sides. For batching rely on `deleteAll()` or even better, on `delete()` method. 
+**Note:** Spring `deleteAllInBatch()` and `deleteInBatch()` don't use batching and don't take advantage of `orphanRemoval=true`. The first one simply triggers a `delete from entity_name` statement, while the second one triggers a `delete from entity_name where id=? or id=? or id=? ...` statement. Using these methods for deleting parent-entities and the associated entites (child-entities) requires explicit calls for both sides. For batching rely on `deleteAll()`, `deleteAll(Iterable<? extends T> entities)` or even better, on `delete()` method. Behind the scene, `deleteAll()` methods uses `delete()`.
 
-**Key points for using `delete()`:**\
+**Key points for using `deleteAll()/delete()`:**\
      - in this example, we have a `Author` entity and each author can have several `Book` (*one-to-many*)\
      - first, we use `orphanRemoval=true` and `CascadeType.ALL`\
      - second, we dissociate all `Book` from the corresponding `Author`\