Data Types
timestamptz and tzdata: Avoid Shifted PostgreSQL Timestamps
Jun 15, 2026 / · 7 min read · postgresql database administration sql queries data types time zones timestamptz postgres dba ·timestamptz and tzdata: Avoid Shifted PostgreSQL Timestamps PostgreSQL stores every timestamptz value as UTC and converts it to the session's time zone only at display time. That design is correct and elegant — until a tzdata update changes the offset rules for a region, at which point timestamps inserted under the old …
Read MoreList PostgreSQL Enum Types and Their Values with SQL
Apr 6, 2026 / · 4 min read · postgresql administration schema database data types pg_type pg_enum information_schema pg_namespace ·How to List All Enum Types in a PostgreSQL Database PostgreSQL supports user-defined enum types — a fixed ordered set of string values stored efficiently as integers. Enums are common in application schemas for columns like status, role, or priority. Once created, their allowed values are managed in the database …
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