Persistence Worksheet

1. Define "persistent data".





2. Are properties and variables persistent or transient data?




3. In the Android, Where's My Car? tutorial, what is the persistent data?



4. For your first creative project, describe how you might use persistent data (think of some feature(s) you might add that would require data to be saved persistently)





5. In App Inventor, there are two components for storing data persistently. Name them, and say when it's appropriate to use each.





6. a. What is the Screen.Initialize event? When is it triggered?



b. Which database operation is commonly called from Screen.Initialize? Why?




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