Saving Data on Android

One to one relationship:
 When one entity can only be related to one and only 
one instance of the other entity.
•
One to many relationship:
 When one entity can be related to many instances of 
another entity.
•
Many to many relationship:
 When many instances of an entity can also be 
related to many instance of another entity.
Saving Data on Android
Chapter 7: Mastering Relations
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8
Chapter 8: The DAO 
Pagern
By Aldo Olivares
In the previous chapter, you learned about different kind of relations, such as 
one-
to-one
, 
one-to-many
 and 
many-to-many
. You also learned how to create them 
using annotations.
Now, you are going to learn how to retrieve, insert, delete and update data from your 
database using