How to write RLS Policies to ensure users can only edit their own profile data?
· 5 min read
In a traditional setup, you'd write a bunch of backend code to check if session.user.id === profile.id. In Supabase, you just tell the database the rules and let it act as the bouncer.
Row Level Security (RLS) is the engine that ensures your users can see a thousand profiles but can only click "Edit" on their own. Here is how to configure it correctly in 2026.