Streamline Your PostgreSQL Database Operations with n8n
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Effortlessly manage your PostgreSQL database with this n8n workflow. Automate tasks like reading table schemas, listing tables, and creating or reading records, all driven by external workflow triggers.
About This Workflow
This n8n workflow provides a robust solution for interacting with your PostgreSQL databases programmatically. It's designed to be triggered by other n8n workflows, allowing for dynamic database operations based on your application's needs. The workflow can inspect your database by fetching table schemas and listing available tables. Furthermore, it enables the creation of new records within your tables and the retrieval of existing data using flexible filtering. This modular approach ensures that your database interactions are efficient, repeatable, and can be seamlessly integrated into larger automation strategies.
Key Features
- Dynamic Table Operations: Easily create, read, and update records in your PostgreSQL tables based on incoming workflow data.
- Database Introspection: Automatically retrieve table schemas and lists of available tables for better data understanding.
- External Trigger Integration: Designed to be called by other n8n workflows, enabling complex, chained automation.
- Flexible Data Input: Accepts
tableName,values, andwhereclauses for precise control over database actions. - AI-Assisted Input Mapping: Leverages AI to help map input values to the correct column names for creating records.
How To Use
- Trigger Setup: Configure the 'When Executed by Another Workflow' node to define the inputs your workflow will accept (
operation,tableName,values,where). - Operation Switching: The 'Operation' switch node routes incoming requests based on the
operationparameter (e.g., 'read', 'insert', 'update'). - Table Schema & Listing: Use the 'GetTableSchema' and 'ListTables' nodes to inspect your PostgreSQL database structure, connecting them to your PostgreSQL credentials.
- Record Creation: The 'CreateTableRecords' node handles inserting new data. Map the
valuesinput to the appropriate column names. AI assistance can be used here for intelligent mapping. - Record Reading: Configure the 'ReadTableRecord' node to fetch data. Use the
tableNameandwhereinputs to specify which records to retrieve. - Credentials: Ensure your 'Postgres account' credentials are correctly set up for all PostgreSQL nodes.
Apps Used
Workflow JSON
{
"id": "b9119f8f-bdee-49e9-990a-1be257e8d798",
"name": "Streamline Your PostgreSQL Database Operations with n8n",
"nodes": 12,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: b9119f8f-bdee...
About the Author
DevOps_Master_X
Infrastructure Expert
Specializing in CI/CD pipelines, Docker, and Kubernetes automations.
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