I have a subscription data extension that manages a number of categories of subscriptions, for a given subscriber.

Something happened where their subscription status (boolean) for certain categories was reset to subscribed.

I have a list of subscribers from a previous deployment that I need to append their status in the subscription data extension.

Is there a way to do this with SSJS that would be easier than writing a SQL query using the CASE function on a join from the list that I have?


I went down the route of using a CASE function within a SQL Query to append the field within a row from a source data extension.

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