To prevent retention of stagnant data, Northern Trail Outfitters wants any inactive data stored in...

To manage data retention for inactive data in data extensions, the best approach is to apply a Row Based Retention policy directly to each data extension. This method allows precise control over how long data is retained based on the creation or modification date of each row.

Row Based Retention: Set this on each data extension as it is configured. Specify that data should be cleared after 12 months of inactivity. This approach ensures that only data which has not been engaged with for the specified period is removed, thus optimizing data storage and maintaining compliance with data management policies.