Unverified50% confidenceSolutionExact time
Multi-tenant SaaS often uses PostgreSQL row-level security (RLS) when isolating data on a shared database, enforcing tenant isolation at the database layer through an account_id column and CREATE POLICY rules.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedRow-Level Security (RLS) is an access control mechanism provided by PostgreSQL, upon which Supabase is directly built.76% similarUnverifiedMulti-tenant data isolation typically has three mainstream technical implementation approaches: row-level security (RLS), separate database instances, and application-layer filtering.76% similarUnverifiedPostgreSQL natively supports Row-Level Security (RLS), which can implement tenant isolation by setting session variables via SET app.current_tenant.75% similarUnverifiedIn multi-tenant SaaS application scenarios, the core security objective is to achieve fine-grained row-level and column-level data isolation, and to push the isolation mechanism down to the data platform layer rather than keeping it at the application surface.74% similarUnverifiedBy enforcing RLS and view-layer security policies at the database layer, even if users have database connection credentials and connect directly to the database, their queries are subject to the same permission constraints as those on the dashboard.72% similar
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