코딩 연습/SQL
leetcode 627 swap salary
썬2
2022. 8. 9. 21:14
https://leetcode.com/problems/swap-salary/
Swap Salary - LeetCode
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leetcode.com
update 한번만 쓰기
update salary
set sex = case
when sex='f' then 'm'
else 'f' end