[LeetCode] 627. Swap Salary [MySQL] UPDATE with IF statement

 

leetcode.com/problems/swap-salary/

Swap Salary - LeetCode

Given a table salary, such as the one below, that has m=male and f=female values. Swap all f and m values (i.e., change all f values to m and vice versa) with a single update statement and no intermediate temp table.

Note that you must write a single update statement, DO NOT write any select statement for this problem.

 

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UPDATE salary
SET sex = IF(sex='m', 'f', 'm')

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UPDATE Syntax

UPDATE TABLE
SET COL1=VAL1, COL2=VAL2
WHERE CONDITION

IF Statement Syntax

IF(condition, true, false)