Migrate sql data in iPhone applications

Question

I have two applications first one is application1 and second application1+ and how to migrate the data for application1 and application1+ from these respective old versions to the new versions

Answer 1

You should check out on first new app start is there an SQLite database with old format of data. If so - just create new SQLite database, get data from old database and put it into the new database. After that destroy old database file.