Companion workflow for Postgres node docs
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See all PostgreSQL→Insert Excel data to Postgres
Read XLS from file Convert it to JSON Insert it in Postgres
Transfer data from Postgres to Excel
Read data from Postgres Converting it to XLS Save it to disk
Generate and insert data into a Postgres database
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);