Tags
- Django
- count
- distinct
- Vue
- 그리디
- ORM
- regexp
- 완전검색
- 백트래킹
- stack
- SQL
- 큐
- N:1
- outer join
- 트리
- 뷰
- update
- 통계학
- 쟝고
- Queue
- 이진트리
- 스택
- M:N
- Article & User
- DB
- drf
- migrations
- Tree
- create
- delete
일 | 월 | 화 | 수 | 목 | 금 | 토 |
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 | 9 | 10 | 11 | 12 | 13 |
14 | 15 | 16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 |
28 | 29 | 30 |
Notice
Recent Posts
Link
데이터 분석 기술 블로그
Weather Observation Station 12 _ Easy. HackerRank 본문
Solution 1
SELECT DISTINCT(CITY)
FROM STATION
WHERE CITY NOT REGEXP '^[aeiouAEIOU]'
AND CITY NOT REGEXP '[aeiouAEIOU]$'
Solution 2
SELECT DISTINCT(CITY)
FROM STATION
WHERE CITY REGEXP '^[^aeiouAEIOU]'
AND CITY REGEXP '[^aeiouAEIOU]$'
'SQL > 문제풀이' 카테고리의 다른 글
Higher Than 75 Marks _ Easy. HackerRank * (0) | 2024.10.15 |
---|---|
Number of Unique Subjects Taught by Each Teacher _ Easy. LeetCode (0) | 2024.10.14 |
Queries Quality and Percentage _ Easy. LeetCode * (0) | 2024.10.12 |
Weather Observation Station 11 _ Easy. HackerRank (0) | 2024.10.11 |
Percentage of Users Attended a Contest _ Easy. LeetCode * (0) | 2024.10.10 |