Saving Data on Android


Question  table. • is_correct



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Bailey J., Dominguez A., Djermanovic D. - Saving Data on Android (1st Edition) - 2019

Question
 table.

is_correct
: A 
boolean
, which indicates if this is one of the correct answers or not.

text
: A 
String
 that represents the text of the answer.
Here is how the entity-relationship diagram would look:
Saving Data on Android
Chapter 6: Entity Definitions
raywenderlich.com
113


Each question can have one or more answers, but each answer will only have one 
associated question, thus creating a 
one-to-many
 relationship. Easy, right?
In this chapter, you will solely focus on defining entities, without foreign key 
relationships. You will learn how to create relations later on in the book.
Create a new class under the 

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