The Seven Engineering Problems That Make...

I spent 18 months trying to make two databases agree with each other. Not eventually. Not within 15 minutes. In real time, bidirectionally, without losing data. The first version crashed after 10,000 records. The second version handled the volume but corrupted fields when both systems wrote to the same record within the same second. The third version solved conflicts but broke each time that Salesforce added a custom field. I threw out all three and started over. That was 2022. I had a business