发布将更新database-android中特定表的新版app

i have published a app on google play market. in which i have used SQLassethelper library for database connectivity. actually my app is a tutorial app. in which there is also a table that stores favourite questions marked by user. now i want to update the question table, but my question is, if i release a new version of my app with updated question table, the favourite question's table will erase? right? so how can i release a new version of my app, which will not erase the favourite table data of user, but will only update a particular table in that database? is there any solution for my question?i have published a app on google play market. i