Databases generally use MVCC. Frameworks like Django allow you quite a bit of flexibility to use said MVCC via transactions. Something like this: https://docs.d

Databases generally use MVCC. Frameworks like Django allow you quite a bit of flexibility to use said MVCC via transactions. Something like this: https://docs.djangoproject.com/en/1.10/topics/db/transactions/#tying-transactions-to-http-requests https://docs.djangoproject.com/en/1.10/topics/db/transaction... If you're having concurrency issues in your app, it isn't due to the web framework OR the database, it is due to poor application design. Period.