n8n
How to Migrate n8n from SQLite to PostgreSQL Without Losing Workflows
Migrate n8n from SQLite to PostgreSQL with the CLI: export entities, provision Postgres, repoint n8n via DB_POSTGRESDB_* variables, import, and verify.
Database
MCP
MCP Postgres Server Tutorial: Safe Read-Only Database Access for AI Agents (2026)
Install Postgres MCP Pro in restricted mode behind a least-privilege read-only role: safe AI access to PostgreSQL, each step tested on a live database.
n8n
n8n Postgres Tutorial: Connect, Query, and Automate (2026)
Connect n8n to PostgreSQL step by step: create credentials, run Execute Query, insert, select, and update rows, and fix the five most common connection errors.