Practical Supabase RLS guides

Understand public access, test your assumptions and make sense of an external RLS check.

Test anonymous Supabase access, then verify user isolation and write policies. A practical workflow with a reproducible local SQL fixture.

Learn which Supabase keys belong in a browser, which must stay secret, and how to check the data access available with a public key.

An empty Supabase response can mean filtered rows, an empty table or a query mismatch. Reproduce the distinction and test permissions correctly.