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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