The Blunder

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    MYSQL Query

    SELECT ROUND(AVG(SALARY)) - ROUND(AVG(REPLACE(SALARY,0,''))) FROM EMPLOYEES;

    MS MYSQL Query

    SELECT ROUND(AVG(SALARY), 0) - ROUND(AVG(CAST(REPLACE(SALARY, '0', '') AS FLOAT)), 0) AS SALARY_DIFFERENCE FROM EMPLOYEES;