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Challenge Overview 1 min
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Answer Key 2 min
Write an Expression Using the Link() Function
Link() ensures that expressions with null values evaluate. Learn about this essential function in this challenge.
In this challenge, create trigger logic to replace a null value using the LINK() function.
You have a lot of latitude here as to how you approach this challenge. The simplest version might just add two variables—one null—to one another. Use your imagination and think about when you might use this in your operations.