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Start your free trialDerek Morse
1,776 PointsSTUCK AGAIN
SELECT COUNT(genre) FROM books GROUP BY "genre_count";
1 Answer
Adam Dąbrowski
1,989 PointsFirst try to understand what you need to deliver, you need to count all books from difrent genres so :
- you need to select genre as genre count from table books .
- now we know what genres we have , and we need to count all of them,
- we have some books that genres dupplicates , i mean one genre can have mmultiple books , so we use group by
now lets write a query:
- select genre as genre_count from books
- select genre,count(*) as genre_count from books
- select genre,count(*) as genre_count from books group by genre;