---
id: "AE22-014"
category: "infrastructure"
confidence: 0.95
date: "2026-02-15"
source_file: "PRODUCTION_HARDENING_PLAN.md (Section 5.1 Tenant Isolation Strategy)"
---

# AE22-014

Row-Level Security (RLS) in PostgreSQL is superior to schema-per-tenant for multi-tenant SaaS at scale (87-500+ clients) -- single schema with RLS policies provides data isolation with simpler migrations, simpler queries, and zero management overhead vs hundreds of schemas
