USQ study material - Upload Student Web Pages
USQ study material - Upload Student Web Pages
USQ study material - Upload Student Web Pages
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Module 13 – Solutions 13.5<br />
5.9 SELECT guestName, guestAddress FROM Guest<br />
WHERE address LIKE ‘%London%’ ORDER BY guestName;<br />
Strictly speaking, this would also find rows with an address like: ‘10 London Avenue,<br />
New York’.<br />
5.10 SELECT * FROM Room WHERE price < 40 AND type IN (‘D’, ‘F’)<br />
ORDER BY price;<br />
(Note, ASC is the default setting).<br />
5.11 SELECT * FROM Booking WHERE dateTo IS NULL;<br />
–<br />
Aggregate Functions<br />
5.12 SELECT COUNT(*) FROM Hotel;<br />
5.13 SELECT AVG(price) FROM Room;<br />
5.15 SELECT COUNT(DISTINCT guestNo) FROM Booking<br />
WHERE (dateFrom = DATE’2001-08-01’)<br />
OR (dateFrom >= DATE’2001-08-01’ AND dateFrom
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