<@U0JRS2YUB> The app DB has a mechanism like this....

# android

[andym]

@sreich The app DB has a mechanism like this. SQLiteOpenHelper() gets passed a version argument. When the version number is incremented, typically because the DB schema has changed, then the onUpgrade() method of your app's subclass of SQLiteOpenHelper (or potentially onDowngrade(), for API Level 11+) will be called.
You can look at the old/new version numbers, and decide how to handle things. It's a one-off that won't be called on every app startup.