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ROgbonna1
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| SELECT DISTINCT category AS "Genre", avg(price) AS "Price", avg(length) AS "Length" FROM film_list GROUP BY category; | ||
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| SELECT DISTINCT rating AS "Rating", COUNT(rating) AS "Count" FROM film_list GROUP BY rating; |
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| SELECT DISTINCT category AS "Genre", avg(price) AS "Price", avg(length) AS "Length" FROM film_list GROUP BY category; | |
| SELECT DISTINCT rating AS "Rating", COUNT(rating) AS "Count" FROM film_list GROUP BY rating; | |
| SELECT category AS "Genre", avg(price) AS "Price", avg(length) AS "Length" FROM film_list GROUP BY category; | |
| SELECT rating AS "Rating", COUNT(rating) AS "Count" FROM film_list GROUP BY rating; |
You can leave out the DISTINCT modifier when you are using GROUP BY. GROUP BY will make groups based on the distinct values in that column.
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Need to learn how to create rules for UPDATE/DELETE