Database

https://courses.edx.org/asset-v1:StanfordOnline+SOE.YDB-SQL0001+2T2020+type@asset+block/moviedata.html

Q20

For all movies that have an average rating of 4 stars or higher, add 25 to the release year. (Update the existing tuples; don't insert new tuples.)

Note: Your queries are executed using SQLite, so you must conform to the SQL constructs supported by SQLite. Need Codes