List down app that does not have negative sentiment and give their average rating?
doest not have negative sentiment refers to Sentiment! = 'Negative'; average = AVG(Sentiment_Polarity);
SELECT T1.App, AVG(T2.Sentiment_Polarity) FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App WHERE T2.Sentiment != 'Negative' GROUP BY T1.App