Discuss the general principles of conducting data m‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍igration in NoSQL databases, especially on how to ensure the data stored in the databases matched with the “Implicit Schema” embedded in the applications when the “Implicit Schema” has experienced a change.

Please use specific examples to demonstrate at least 2 different use cases of data migration.

Your takeaway from these ‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍use cases