Answered You can hire a professional tutor to get the answer.
an someone please check my SQL query? It is nearly finished but i can't find the small errors.. i know i have an error by the GROUP BY clause and
an someone please check my SQL query? It is nearly finished but i can't find the small errors.. i know i have an error by the GROUP BY clause and maybe FROM, but nothing i change works. Help..?
/* Used with a movie rental database:
WITH t2 AS
(SELECT category, rental_duration,
NTILE(4) OVER (ORDER BY rental_duration) standard_quartile
FROM
(SELECT c.name category, f.rental_duration
FROM film f
JOIN film_category fc
ON f.film_id = fc.film_id
JOIN category c
ON fc.category_id =c.category_id)t1
WHERE category IN ('Animation', 'Children', 'Classics', 'Comedy', 'Family', 'Music'))
group by 1,2
ORDER BY 1,2;