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Creating data champions, by giving people the ability to easily automate and manage a company’s entire data pipeline, to get answers instantly.
Inventory Reservation Database Design: Prevent Overselling
Two shoppers try to buy the last unit. See how a PostgreSQL schema uses atomic stock holds, checkout request keys, and safe expiration to let only one succeed.
Soft Delete Database Design: Unique Keys and Safe Restores
Build a recoverable project schema without losing identity. Learn how PostgreSQL partial unique indexes, explicit restore rules, and parent-child lifecycle policies keep soft deletion predictable.
Webhook Database Design: Events, Deliveries, and Retries
Design a webhook database schema that separates events, deliveries, and attempts. Explore PostgreSQL constraints, safe retries, transactional outboxes, and idempotency.
Recurring Appointment Database Design: A Practical Guide
How to Design a Database for Recurring Appointments and Schedule Exceptions A customer books a workshop every Wednesday at 9:00 AM. Three weeks later, the instructor moves one session to Thursday. The following week is canceled because the building is closed....
Designing Database Imports Without Losing Data Identity
How to Design a Database for External Data Imports Without Losing Identity A company imports customer records from three systems. The CRM contains [email protected]. The billing platform contains [email protected]. An older marketplace export contains the same...
Snapshot Data Modeling for Historical Database Records
Why Historical Records Need Snapshots, Not Live References A customer places an order on Monday. On Friday, they update their delivery address. Nothing unusual has happened. Yet when support opens Monday’s order, the system now shows Friday’s address. The database is...