BlogPostgreSQLTransaction Isolation Level ConsiderationsTransaction Isolation Level ConsiderationsPostgreSQL actually has only two transaction isolation levels: Read Committed and SerializableBy Feng Ruohang (@Vonng) · Published November 12, 2019 · PostgreSQLPostgreSQL actually has only two transaction isolation levels: Read Committed and Serializable Read more←PreviousNext→ Last Modified: 2026-04-17: adjust blog (769772b)