SELECT
string_agg(title, ', ')
FROM
film
WHERE
title LIKE 'AN%'
HAVING
count(*) > 5
"Return a concatenation of all the films starting with "AN", *IF*
there are at least 5 such films."
Where in the statement does it say that the rows should be grouped by
their title column?
To be more specific what does GROUP BY() mean?
I would understand the statement better if it would have GROUP BY(title).
- Rami
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