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빅데이터 관련 자료/[SQL] Basic

Weather Observation Station 6

carpe08 2021. 8. 4. 17:51
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Query the list of CITY names starting with vowels (i.e., a, e, i, o, or u) from STATION. Your result cannot contain duplicates.

Input Format

The STATION table is described as follows:

 

 

 

 

 

 

# 나의 해답

 

SELECT CITY
FROM STATION
WHERE (SUBSTR(CITY,1,1) =  'A' or
       SUBSTR(CITY,1,1) = 'E' or
       SUBSTR(CITY,1,1) = 'I' or
       SUBSTR(CITY,1,1) = 'O' or
       SUBSTR(CITY,1,1) = 'U' );

 

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