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set echo on;
alter session set nls_language = english; alter session set nls_date_format = 'DD-MON-YYYY'; alter session set nls_date_language = english;
/* SELECT GROUP BY 3 PARTITIONS */ SELECT FLC, COUNT(*) FROM BUCHUNG GROUP BY FLC;
/* SELECT GROUP BY WHERE 3 PARTITIONS */ SELECT FLC, COUNT(*) FROM BUCHUNG WHERE (VON = 'FRA') GROUP BY FLC;
/* SELECT GROUP BY HAVING WHERE 3 PARTITIONS */ SELECT NACH, COUNT(*) FROM BUCHUNG WHERE (VON = 'LHR') GROUP BY NACH HAVING COUNT (*) > 2;
/* SELECT GROUP BY HAVING WHERE 3 PARTITIONS */ SELECT NACH, AVG(PREIS) FROM BUCHUNG WHERE (VON = 'LHR') GROUP BY NACH HAVING COUNT (*) > 2;
/* SELECT GROUP BY HAVING WHERE 1 PARTITION */ SELECT NACH, AVG(PREIS) FROM BUCHUNG WHERE (VON = 'CDG') AND (FLC='AF') GROUP BY NACH HAVING COUNT (*) > 2;
rollback;
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