prod
number|null avg(array[number] value)
Returns the product of the items in an array of numbers, or null if the array is empty.
It is a type error if
the provided value is not an array
the array contains items that are not numbers
number|null avg(array[number] value)
Returns the product of the items in an array of numbers, or null if the array is empty.
It is a type error if
the provided value is not an array
the array contains items that are not numbers