✅ MySQL || Use of DML && CASE || EASY to Understand
\n\n\n\tUPDATE salary SET sex = (\n\t\tCASE \n\t\t\tWHEN sex = \'m\' THEN \'f\'\n\t\t\tELSE \'m\'\n\t\tEND\n\t);
![image](https://assets.leetcode.com/users/images/d6e7365b-8a51-435b-8e99-a7ecf7c46323_1673949193.1438491.png)\n\n\n\tUPDATE salary SET sex = (\n\t\tCASE \n\t\t\tWHEN sex = \'m\' THEN \'f\'\n\t\t\tELSE \'m\'\n\t\tEND\n\t);
['MySQL']