04.3.6 · Skill in Data engineering
Data integrity
Making sure stored data is accurate, complete and valid.
Integrity comes from constraints, validation, foreign keys and careful backfills. Bad data spreads into analytics, emails and decisions. It is much cheaper to prevent than to clean up later.
Resources
1- articleGo deeperEvolutionary database design ↗Pramod Sadalage and Martin Fowler · 40 min
How to change a database schema in small, safe steps alongside the code that uses it.
Tools
none yetTools for this topic are being researched.