Question: Writes a PL/SQL function that calculates the factorial of a number passed as a parameter. The Factorial of a number n is defined as -

Writes a PL/SQL function that calculates the factorial of a number passed as a parameter. The Factorial of a number n is defined as - 0!= 1 n! = n*(n-1)*(n-2)*(n-3)... 1 for n > 0
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