I'm fine with those rules. Until you can understand why the rule exists (on a technical level), can you break it. Because anyone who knows all the edge cases, f

I'm fine with those rules. Until you can understand why the rule exists (on a technical level), can you break it. Because anyone who knows all the edge cases, filesystem issues, contention issues, deadlocking and integrity guarantees with databases will search hard for an OOB solution that fits his requirements, and will consider rolling his own a last resort.