nvl2 syntax 1

nvl2 syntax

# ORACLE SQL
NVL2(columnA, value_if_not_null, value_if_null )

Here is what the above code is Doing:
1. We’re creating a new column called ‘is_null’ that is a boolean value.
2. We’re using the .isnull() method to check if the value in the ‘columnA’ column is null.
3. If the value is null, we want to return a True boolean value.
4. If the value is not null, we want to return a False boolean value.

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