SQL | Easy | Using CASE | Self Explanatory
\nUPDATE Salary \nSET sex= \nCASE sex\n    WHEN \'f\' THEN \'m\'\n    WHEN \'m\' THEN \'f\'\nEND;\n\n\n\nPlease upvote if you found this useful :)
```\nUPDATE Salary \nSET sex= \nCASE sex\n    WHEN \'f\' THEN \'m\'\n    WHEN \'m\' THEN \'f\'\nEND;\n\n\n```\nPlease upvote if you found this useful :)
['MySQL']