SQL Server CLEAN & EASY
\n/* Write your T-SQL query statement below */\nUPDATE Salary\nSET sex = CASE sex\n        WHEN \'m\' THEN \'f\'\n        WHEN \'f\' THEN \'m\'\n        END;\n\
```\n/* Write your T-SQL query statement below */\nUPDATE Salary\nSET sex = CASE sex\n        WHEN \'m\' THEN \'f\'\n        WHEN \'f\' THEN \'m\'\n        END;\n\n```
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