Created
November 11, 2014 19:41
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SELECT isbn | |
FROM editions JOIN publishers ON (editions.publisher_id = publishers.id) | |
WHERE publishers.name='Random House' | |
SELECT isbn, book_id | |
FROM editions JOIN publishers ON (editions.publisher_id = publishers.id) | |
JOIN books ON editions.book_id = books.id | |
WHERE publishers.name='Random House' | |
SELECT editions.isbn, editions.book_id, stock.stock, stock.retail | |
FROM editions JOIN publishers ON editions.publisher_id = publishers.id | |
JOIN books ON editions.book_id = books.id | |
JOIN stock ON editions.isbn = stock.isbn | |
WHERE publishers.name='Random House' AND stock.stock > 0; | |
SELECT editions.isbn, editions.book_id, editions.type, stock.stock, stock.retail, | |
CASE WHEN editions.type = 'h' THEN 'Hardcopy' | |
WHEN editions.type = 'p' THEN 'Paperback' | |
ELSE 'unknown' | |
END AS edition_type | |
FROM editions JOIN publishers ON editions.publisher_id = publishers.id | |
JOIN books ON editions.book_id = books.id | |
JOIN stock ON editions.isbn = stock.isbn | |
WHERE publishers.name='Random House' AND stock.stock > 0; | |
SELECT books.title, editions.publication | |
FROM books JOIN editions ON books.id = editions.book_id | |
SELECT SUM(stock) | |
FROM stock | |
SELECT AVG(cost), AVG(retail), AVG(stock) | |
FROM stock | |
SELECT stock.stock, editions.book_id | |
FROM stock JOIN editions ON stock.isbn = editions.isbn | |
ORDER BY stock.stock DESC | |
LIMIT 1; | |
SELECT authors.id, COUNT(books.author_id), concat(authors.first_name, ' ', authors.last_name) | |
FROM authors JOIN books ON authors.id = books.author_id | |
GROUP BY authors.id; | |
SELECT authors.id, COUNT(books.author_id), concat(authors.first_name, ' ', authors.last_name) | |
FROM authors JOIN books ON authors.id = books.author_id | |
GROUP BY authors.id | |
ORDER BY COUNT(books.author_id) DESC; |
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