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 schema rarely announces its biggest decisions. It does not display a warning that says, “This customer may only belong to one company,” or “An order can never change ownership,” or “We have...
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...
What Are Database Constraints? Database constraints are enforcement mechanisms that protect your data integrity at the structural level. When using visual design tools like DBDesigner, constraints become visual elements that define relationships and rules –...
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