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SET SERVEROUTPUT ON;
BEGIN
FOR r IN (SELECT DISTINCT CITY FROM STATION
WHERE LOWER(SUBSTR(CITY,-1,1)) IN ('a','e','i','o','u'))
LOOP
DBMS_OUTPUT.PUT_LINE(r.city);
END LOOP;
END;
/
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Weather Observation Station 7
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ORACLE PL/SQL:
SET SERVEROUTPUT ON; BEGIN FOR r IN (SELECT DISTINCT CITY FROM STATION WHERE LOWER(SUBSTR(CITY,-1,1)) IN ('a','e','i','o','u')) LOOP DBMS_OUTPUT.PUT_LINE(r.city); END LOOP; END; /