Description

This is Workflow 1 in the blog tutorial Database activity monitoring and alerting . Prerequisites A Postgres database set up and credentials . Basic knowledge of JavaScript and SQL. Nodes Cron node starts the workflow every minute. Function node generates sensor data (sensor id (preset), a randomly generated value, timestamp, and notification (preset as false) ) Postgres node inserts the data into a Postgres database. You can create the database for this workflow with the following SQL statement: CREATE TABLE n8n (id SERIAL, sensor_id VARCHAR, value INT, time_stamp TIMESTAMP, notification BOOLEAN);

Key Features

1) Automated data generation every minute
2) Integration with Postgres for real-time data storage
3) Flexible sensor data representation with customizable fields
4) Utilizes JavaScript for dynamic data processing
5) Simple setup with predefined SQL table structure
6) Clear integration among cron
function
and Postgres nodes.

Required Tools

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