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/* Pokaż średnie zarobki na stanowisku Przedstawiciel Handlowy. Dodaj symbol dolara do wyniku. (to_char(wartość,’$9,999.99’)). Dodaj symbol lokalnej waluty. (to_char(wartość,’L9,999.99’)). */
SELECT
TO_CHAR(AVG(SALARY), '$9,999.99') AS Average_Salary_Dollar,
TO_CHAR(AVG(SALARY), 'L9,999.99') AS Average_Salary_Local_Currency