Your Schema Is Really a Theory of What Can Change A customer updates their company name. Should every invoice they have ever received change too? A product manager renames a subscription plan. Should last year’s revenue reports display the new name or the name...
Your Database Is Quietly Deciding What Your Product Is Allowed to Become A database rarely announces that it has made a product decision. It does not join planning meetings, challenge a feature request, or leave comments in a design file. Yet every schema contains...
The Schema Is the Product’s Memory, Not Just Its Storage A database does not simply remember what happened. It remembers what your system believed was worth remembering. That distinction sounds small until a product grows up. At the beginning, a schema often feels...
Why Weak Database Design Quietly Becomes a Product Problem Most people think bad database design creates technical problems. Slow queries. Messy tables. Complicated joins. Annoying migrations. But in real products, weak schema design usually causes something far more...
When Real Life Refuses to Fit Your Tables Students usually begin database design with confidence. The problem looks small, the entities feel obvious, and everything seems to fit neatly into tables. Then reality shows up — messy, inconsistent, and full of exceptions....
Recent Comments