For the given table 'films', 4 5 ld 1 2 3 2 3 6 4 5 ld 1 6 which of the following queries will result in the given output? release year 2015 2015 2015 2016 2016 2017 rating 8.0 8.5 9.0 8.2 8.4 7.0 release year rating 2015 8.0 2015 2015 2016 2016 2017 8.5 9.0 8.2 8.4 7.0 year_avg 8.5 8.5 8.5 8.3 8.3 7.0 O O O 1 SELECT f.id, f.release year, f.rating, AVG(rating) 2 OVER (PARTITION BY rating) AS year_avg 3 FROM films f ORDER BY release_year, rating; 1 SELECT f.id, f.release_year, f.rating, AVG(rating) 2 OVER (GROUP BY rating) AS year_avg 3 FROM films f ORDER BY release year, rating; 1 SELECT f.id, f.release year, AVG(rating) 2 OVER (PARTITION BY release year) AS year_avg 3 FROM films f ORDER BY rating, release_year; 1 SELECT f.id, f.release year, f.rating, AVG(rating) 2 OVER (PARTITION BY release year) AS year_avg 3 FROM films f ORDER BY release year, rating;

For the given table 'films', 4 5 ld 1 2 3 2 3 6 4 5 ld 1 6 which of the following queries will result in the given output? release year 2015 2015 2015 2016 2016 2017 rating 8.0 8.5 9.0 8.2 8.4 7.0 release year rating 2015 8.0 2015 2015 2016 2016 2017 8.5 9.0 8.2 8.4 7.0 year_avg 8.5 8.5 8.5 8.3 8.3 7.0 O O O 1 SELECT f.id, f.release year, f.rating, AVG(rating) 2 OVER (PARTITION BY rating) AS year_avg 3 FROM films f ORDER BY release_year, rating; 1 SELECT f.id, f.release_year, f.rating, AVG(rating) 2 OVER (GROUP BY rating) AS year_avg 3 FROM films f ORDER BY release year, rating; 1 SELECT f.id, f.release year, AVG(rating) 2 OVER (PARTITION BY release year) AS year_avg 3 FROM films f ORDER BY rating, release_year; 1 SELECT f.id, f.release year, f.rating, AVG(rating) 2 OVER (PARTITION BY release year) AS year_avg 3 FROM films f ORDER BY release year, rating;

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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