Question: Match the function name and definition. Question 1 1 options: returns the expression if it is not null; otherwise, it returns the alternate expression that

Match the function name and definition.
Question 11 options:
returns the expression if it is not null; otherwise, it returns the alternate
expression that is defined
replaces NULL values with zeros
Boolean output as either True or False if the value is NULL
1.
ZN
2.
IFNULL
3.
ISNULL

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