The library wants to know which kinds of books get borrowed most. Each row of loans is one loan, and the genre is in books. Join the two, group by genre, and count the loans in each. Two columns: the genre, and how many loans.
The tables
books
id
title
author
genre
pages
year
1
The Night Garden
Mia Lane
story
210
2015
2
Stars for Kids
Tom Hart
science
96
2020
3
Lost at Sea
Mia Lane
story
340
2011
4
Easy Bread
Rosa Bell
food
128
2019
5
The Bug Book
Tom Hart
science
64
2022
6
Soup Days
Rosa Bell
food
150
2008
7
The Red Kite
Ann Cole
story
180
2021
8
Rocks and Rivers
Ann Cole
science
220
2017
8 rows
loans
id
book_id
reader
days
1
1
Leo
14
2
2
Nora
7
3
1
Sam
NULL
4
4
Leo
21
5
5
Nora
NULL
6
3
Ivy
10
7
2
Sam
5
8
7
Ivy
12
8 rows
books
id
title
author
genre
pages
year
1
The Night Garden
Mia Lane
story
210
2015
2
Stars for Kids
Tom Hart
science
96
2020
3
Lost at Sea
Mia Lane
story
340
2011
4
Easy Bread
Rosa Bell
food
128
2019
5
The Bug Book
Tom Hart
science
64
2022
6
Soup Days
Rosa Bell
food
150
2008
7
The Red Kite
Ann Cole
story
180
2021
8
Rocks and Rivers
Ann Cole
science
220
2017
8 rows
loans
id
book_id
reader
days
1
1
Leo
14
2
2
Nora
7
3
1
Sam
NULL
4
4
Leo
21
5
5
Nora
NULL
6
3
Ivy
10
7
2
Sam
5
8
7
Ivy
12
8 rows
query.sql
-- your code here: join loans and books, group by books.genre, COUNT(*)
SELECT genre
FROM books;
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Result
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