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PostgreSQL Auto-Update `created_at` Trigger

This guide explains how to automatically add a trigger to update the created_at column in PostgreSQL whenever a table is created or modified to include that column.

Overview

When a table is created or altered to include a created_at column, a trigger is automatically added.
The trigger ensures that created_at is set to NOW() on INSERT.
An event trigger listens for CREATE TABLE and ALTER TABLE commands and applies the logic.

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Raxit Majithiya raxityo

PostgreSQL Auto-Update created_at Trigger

Overview

PostgreSQL Auto-Update `created_at` Trigger