what is the question for the query?

Posted by Kevinniceguy on Stack Overflow See other posts from Stack Overflow or by Kevinniceguy
Published on 2010-04-11T04:27:34Z Indexed on 2010/04/11 4:53 UTC
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SELECT SUM(price) FROM Room r, Hotel h

WHERE r.hotelNo = h.hotelNo and hotelName = 'Paris Hilton' and
roomNo NOT IN

(SELECT roomNo FROM Booking b, Hotel h
WHERE (dateFrom <= CURRENT_DATE AND
dateTo >= CURRENT_DATE) AND
b.hotelNo = h.hotelNo AND hotelName = 'Paris Hilton');

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