normalization
Store facts according to their keys to reduce update anomalies.
Use this when Changing a customer’s current address requires editing many inconsistent copies.
without the term
“The same customer details appear in several tables and updates leave them different. Fix the data model.”
with the term · How do you ask a model for normalization?
Normalize these tables around their keys and dependencies. Test an update without inconsistent copies.
What is normalization?
Relational normalization organizes tables using keys and dependencies. Separating independent facts reduces insert, update, and delete anomalies; historical snapshots can be intentional copies.
Why does normalization matter when vibe coding?
An agent can duplicate editable facts across tables because each screen needs them.
How do you do normalization?
Identify each fact’s key, split independent entities, and add references and constraints. Check one update changes the current fact everywhere it is read.
What goes wrong with normalization?
Splitting every value into a table without considering meaning or query cost is not a useful goal.
Sources for this entry
- Microsoft: Database normalization
Normalization reduces redundant facts and update anomalies through keys and table relationships.
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