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-- SELECT COUNT(*) -- FROM SAMP.STAFF -- GROUP BY ID -- HAVING SALARY > 15000
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-- 2å¸ä»¥ä¸Šã?®èˆªè·¯ã?”ã?¨ã?«ã€?エコノミーå¸ã?®å?ˆè¨ˆã‚’調ã?¹ã‚‹ã€‚
SELECT SUM(ECONOMY_SEATS_TAKEN), AIRLINE_FULL
FROM FLIGHTAVAILABILITY, AIRLINES
WHERE SUBSTR(FLIGHTAVAILABILITY.FLIGHT_ID, 1, 2) = AIRLINE
GROUP BY AIRLINE_FULL
HAVING COUNT(*) > 1