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SELECT DISTINCT(city) FROM STATION
WHERE city REGEXP '^[AEIOUaeiou]';
Simply REGEXP-Regular Expression used for filtering purpose
^ - Indicates beginning of the string
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Weather Observation Station 6
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SELECT DISTINCT(city) FROM STATION WHERE city REGEXP '^[AEIOUaeiou]'; Simply REGEXP-Regular Expression used for filtering purpose ^ - Indicates beginning of the string