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  1. Prepare
  2. SQL
  3. Aggregation
  4. The Blunder
  5. Discussions

The Blunder

  • swtmahmoudayman
     + 1 comment

    MS SQL

    SELECT 
    CAST(
        CEILING(
            AVG(CAST(SALARY AS FLOAT)) - 
            AVG(CAST(REPLACE(CAST(SALARY AS VARCHAR), '0', '') AS FLOAT))
        ) AS INT
        ) AS SamanthaDiff 
FROM EMPLOYEES;