| 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 | 31 |
Tags
- Queue
- 코딩테스트
- 완전탐색
- level4
- python
- 프로그래머스
- time complexity
- sql
- 파이썬
- lambda
- counter
- AARRR
- itertools
- 조합
- tableau
- lv4
- LeetCode
- cte
- coding
- programmers
- 코딩
- collections
- Growth hacking
- Stack
- mysql
- 코테
- import re
- coding test
- Level2
- join
Archives
- Today
- Total
목록Case When (1)
ror_coding
case when 으로 confirmed 일 때만 count 합니다. Question The confirmation rate of a user is the number of 'confirmed' messages divided by the total number of requested confirmation messages. The confirmation rate of a user that did not request any confirmation messages is 0. Round the confirmation rate to two decimal places.Write a solution to find the confirmation rate of each user.Return the result tab..
Coding Test/SQL
2025. 7. 13. 16:29