anchor.diff:  ====
   This strategy won't affect *-to-one associations or embedded collections.
   
  -Generally, you should not make use of this strategy 
  +Generally, you should not make use of this strategy
   unless embedding the association information proves to be too big for your document
   and you wish to separate them.
   ====
  
positive.code: the collection used to store will be named +associations_Owner_BankAccount+. You can rename
  The prefix is useful to quickly identify the association collections from the entity collections.
  You can also decide to rename the collection representing the association using +@JoinTable+
  (see <<mongodb-one-collection-strategy-join-table, an example>>) 
  
  Each document of an association collection has the following structure:
  
  
negative.code: [source, JSON]
  ----
  {
    "_id" : "bookmark_1"
    "title" : "Hibernate OGM documentation"
  }
  ----
  