Billboard Top 100 Year End Table

Table: billboard_top_100_year_end

Schema:

year	int
year_rank	int
group_name	varchar
artist	varchar
song_name	varchar
id	int

Preview:

year	year_rank	group_name	artist	song_name	id
1956	1	Elvis Presley	Elvis Presley	Heartbreak Hotel	1
1956	2	Elvis Presley	Elvis Presley	Don't Be Cruel	2
1956	3	Nelson Riddle	Nelson Riddle	Lisbon Antigua	3
1956	4	Platters	Platters	My Prayer	4
1956	5	Gogi Grant	Gogi Grant	The Wayward Wind	5

MEDIUM

Find the top 10 ranked songs in 2010

What were the top 10 ranked songs in 2010? Output the rank, group name, and song name but do not show the same song twice. Sort the result based on the year_rank in ascending order.

StrataScratch

SELECT DISTINCT year_rank, group_name, song_name
FROM billboard_top_100_year_end
WHERE year = 2010
ORDER BY year_rank
LIMIT 10;

Top 10 Songs

Find the number of songs of each artist which were ranked among the top 10 over the years. Order the result based on the number of top 10 ranked songs in descending order.

StrataScratch

SELECT 
    artist, 
    COUNT(id) AS num_top10_songs
FROM billboard_top_100_year_end
WHERE year_rank <= 10
GROUP BY 1
ORDER BY COUNT(id) DESC;

The Best Artist

Find the number of times an artist has been on the billboard top 100 in the past 20 years. Output the result alongside the artist's name and order records based on the founded count in descending order.

StrataScratch

SELECT 
    artist, 
    COUNT(id) AS num_top10_songs 
FROM billboard_top_100_year_end
WHERE year >= (SELECT MAX(year) - 20 
                FROM billboard_top_100_year_end) 
GROUP BY 1 
ORDER BY COUNT(id) DESC;

Find the top-ranked songs for the past 20 years.

Find all the songs that were top-ranked (at first position) at least once in the past 20 years

StrataScratch

SELECT DISTINCT song_name
FROM billboard_top_100_year_end
WHERE year_rank = 1 
AND year >= (SELECT MAX(year) - 20 FROM billboard_top_100_year_end);