External IDs Are Not Your IDs: Modeling Identity Across Systems A backend team adds one column to the customer table: stripe_customer_id Six months later, another integration arrives: hubspot_contact_id Then the company migrates its support platform, imports customers...
When “Current” Lies: How to Model Relationships That Change Over Time A support manager opens a customer record and sees that the account belongs to the Enterprise plan. Nothing looks wrong. Then finance asks a different question: “Which plan was this customer on when...
Mastering Database Relationships for Scalable Design Well-structured relationships are the backbone of every robust database. With DBDesigner’s visual modeling, you can easily map, manage, and optimize one-to-one, one-to-many, and many-to-many relationships—all...
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