On Thu, 2025-01-16 at 15:25 +0300, anlex N wrote: > I have searched all archives, but have no results. Please help me. That's probably because the question doesn't make much sense. A single PostgreSQL instance (=cluster) enforces consistency, and it doesn't matter which data type you are using. So I guess the answer should be "strong consistency". Yours, Laurenz Albe