HackerRank MySQL - Weather Observation Station 5
Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i.e.: number of characters in the name). If there is more than one smallest or largest city, choose the one that comes first when ordered alphabetically.
- SELECT *
- FROM
- (SELECT CITY, LENGTH(CITY)
- FROM STATION
- ORDER BY LENGTH(CITY), CITY)
- WHERE ROWNUM = 1
- UNION
- SELECT *
- FROM
- (SELECT CITY, LENGTH(CITY)
- FROM STATION
- ORDER BY LENGTH(CITY) DESC, CITY)
- WHERE ROWNUM = 1;
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