Section

9 pages

Ai

God Tables: 150 Columns and the Quiet Cost of 'Just Add a Column' 0 Legacy Schemas Are Sediment, Not Design 0 Narrow Tools, Narrow Agents: Where Agent Reliability Actually Comes From 0 Polymorphic References Are Not Foreign Keys 0 Reading the Schema Is Not Reading the Data 0 Text and Json Columns: Where the Schema Goes to Hide 0 The 10x Is Real, on Internal Tools You'd Otherwise Never Ship 0 The Bare `Id` Primary Key: When Every Table Joins to Every Other Table 0 The Paradox of the Fast Engineer 0