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Vibe-Coded Database Schemas & Data Integrity

Step through missing foreign key constraints, unindexed join queries, unlocked read-modify-write race conditions, and ACID hardening

STATUS: UNCONSTRAINED SCHEMAENGINE: PostgreSQL 16TABLE: users (Vibe-Coded)id INT PRIMARY KEYname TEXTbalance FLOAT (No CHECK)⚠️ Schema Risk:Negative balances & invalid types allowedTABLE: invoices (Vibe-Coded)id INT PRIMARY KEYuser_id INT (NO FOREIGN KEY!)amount FLOAT⚠️ Missing Constraints:No FK link, No cascade rules, No index✕
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Unconstrained Vibe-Coded Schema Definition

Vibe-coded schemas often define tables like "users" and "invoices" with generic types, no foreign key relationships, and no constraints. While easy to spin up, the database engine cannot enforce relational integrity.

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