COALESCE Function

Coalesce coalesce looks at the values in a list , and returns the first non-null value This function is useful when you want to: fill in missing

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coalesce Part 1: Understanding The NVLCOALESCE Expression · Is NULL function is typically computationally faster than the Coalesce expression (although

coalesce Returns the value of the first non-null expression in the list If all expressions evaluate to null, then COALESCE returns null