Supabase RLS Deep Dive — Multi-tenant Access Control

Supabase RLS Deep Dive — Multi-tenant Access Control Supabase Row Level Security (RLS) lets you enforce access rules at the database layer using SQL policies. Done right, your app code never needs explicit permission checks. Here are the patterns I use in a multi-tenant SaaS. The Basics -- Enable RLS on a table ALTER TABLE tasks ENABLE ROW LEVEL SECURITY ; -- Only the owner can see their own rows CREATE POLICY "own_tasks_select" ON tasks FOR SELECT USING ( user_id = auth . uid ()); -- INSERT mus