{ "id": "AQJ6QnF2yVdCWMnx", "meta": { "instanceId": "workflow-0db346bc", "versionId": "1.0.0", "createdAt": "2025-09-29T07:07:43.972431", "updatedAt": "2025-09-29T07:07:43.972498", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production" }, "name": "SQL agent with memory", "tags": [ "automation", "n8n", "production-ready", "excellent", "optimized" ], "nodes": [ { "id": "3544950e-4d8e-46ca-8f56-61c152a5cae3", "name": "Window Buffer Memory", "type": "n8n-nodes-base.noOp", "position": [ 1220, 500 ], "parameters": { "contextWindowLength": 10 }, "typeVersion": 1.2, "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow." }, { "id": "743cc4e7-5f24-4adc-b872-7241ee775bd0", "name": "OpenAI Chat Model", "type": "n8n-nodes-base.noOp", "position": [ 1000, 500 ], "parameters": { "model": "gpt-4-turbo", "options": { "temperature": 0.3 } }, "credentials": { "openAiApi": { "id": "rveqdSfp7pCRON1T", "name": "Ted's Tech Talks OpenAi" } }, "typeVersion": 1, "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow." }, { "id": "cc30066c-ad2c-4729-82c1-a6b0f4214dee", "name": "When clicking \"Test workflow\"", "type": "n8n-nodes-base.manualTrigger", "position": [ 500, -80 ], "parameters": {}, "typeVersion": 1, "notes": "This manualTrigger node performs automated tasks as part of the workflow." }, { "id": "0deacd0d-45cb-4738-8da0-9d1251858867", "name": "Get chinook.zip example", "type": "n8n-nodes-base.httpRequest", "position": [ 700, -80 ], "parameters": { "url": "{{ $env.WEBHOOK_URL }}", "options": {} }, "typeVersion": 4.2, "notes": "This httpRequest node performs automated tasks as part of the workflow." }, { "id": "61f34708-f8ed-44a9-8522-6042d28511ae", "name": "Extract zip file", "type": "n8n-nodes-base.compression", "position": [ 900, -80 ], "parameters": {}, "typeVersion": 1.1, "notes": "This compression node performs automated tasks as part of the workflow." }, { "id": "6a12d9ac-f1b7-4267-8b34-58cdb9d347bb", "name": "Save chinook.db locally", "type": "n8n-nodes-base.readWriteFile", "position": [ 1100, -80 ], "parameters": { "options": {}, "fileName": "./chinook.db", "operation": "write", "dataPropertyName": "file_0" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "701d1325-4186-4185-886a-3738163db603", "name": "Load local chinook.db", "type": "n8n-nodes-base.readWriteFile", "position": [ 620, 360 ], "parameters": { "options": {}, "fileSelector": "./chinook.db" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "d7b3813d-8180-4ff1-87a4-bd54a03043af", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ 440, -280.9454545454546 ], "parameters": { "width": 834.3272727272731, "height": 372.9454545454546, "content": "## Run this part only once\nThis section:\n* downloads the example zip file from {{ $env.WEBHOOK_URL }}\n* extracts the archive (it contains only a single file)\n* saves the extracted `chinook.db` SQLite database locally\n\nNow you can use chat to \"talk\" to your data!" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "6bd25563-2c59-44c2-acf9-407bd28a15cf", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ 400, 240 ], "parameters": { "width": 558.5454545454544, "height": 297.89090909090913, "content": "## On every chat message:\n* the local SQLite database is loaded\n* JSON from Chat Trigger is combined with SQLite binary data" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "2be63956-236e-46f7-b8e4-0f55e2e25a5c", "name": "Combine chat input with the binary", "type": "n8n-nodes-base.set", "position": [ 820, 360 ], "parameters": { "mode": "raw", "options": { "includeBinary": true }, "jsonOutput": "={{ $('Chat Trigger').item.json }}\n" }, "typeVersion": 3.3, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "7f4c9adb-eab4-40d7-ad2e-44f2c0e3e30a", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ 980, 120 ], "parameters": { "width": 471.99692219161466, "height": 511.16641410437836, "content": "### LangChain SQL Agent can make several queries before producing the final answer.\nTry these examples:\n1. \"Please describe the database\". This input usually requires just 1 query + an extra observation to produce a final answer.\n2. \"What are the revenues by genre?\". This input will launch a series of Agent actions, because it needs to make several queries.\n\nThe final answer is stored in the memory and will be recalled on the next input from the user." }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "ac819eb5-13b2-4280-b9d6-06ec1209700e", "name": "AI Agent", "type": "n8n-nodes-base.noOp", "position": [ 1020, 360 ], "parameters": { "agent": "sqlAgent", "options": {}, "dataSource": "sqlite" }, "typeVersion": 1.6, "notes": "This agent node performs automated tasks as part of the workflow." }, { "id": "5ecaa3eb-e93e-4e41-bbc0-98a8c2b2d463", "name": "Chat Trigger", "type": "n8n-nodes-base.noOp", "position": [ 420, 360 ], "webhookId": "fb565f08-a459-4ff9-8249-1ede58599660", "parameters": {}, "typeVersion": 1, "notes": "This chatTrigger node performs automated tasks as part of the workflow." } ], "active": false, "pinData": {}, "settings": { "executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": null, "timezone": "UTC", "executionTimeout": 3600, "maxExecutions": 1000, "retryOnFail": true, "retryCount": 3, "retryDelay": 1000 }, "versionId": "fbc06ddd-dbd8-49ee-bbee-2f495d5651a2", "connections": { "0deacd0d-45cb-4738-8da0-9d1251858867": { "main": [ [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-17947697", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-aa313b6e", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-4a5c1b80", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-a11bdf10", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-e877cf34", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-3e073a7b", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-bc6ee26f", "type": "main", "index": 0 } ], [ { "node": "error-handler-0deacd0d-45cb-4738-8da0-9d1251858867-ed5a5211", "type": "main", "index": 0 } ] ] }, "743cc4e7-5f24-4adc-b872-7241ee775bd0": { "main": [ [ { "node": "error-handler-743cc4e7-5f24-4adc-b872-7241ee775bd0-c63a048c", "type": "main", "index": 0 } ] ] }, "6a12d9ac-f1b7-4267-8b34-58cdb9d347bb": { "main": [ [ { "node": "error-handler-6a12d9ac-f1b7-4267-8b34-58cdb9d347bb-b0cd6b4b", "type": "main", "index": 0 } ] ] }, "701d1325-4186-4185-886a-3738163db603": { "main": [ [ { "node": "error-handler-701d1325-4186-4185-886a-3738163db603-dbc6014c", "type": "main", "index": 0 } ] ] } }, "description": "Automated workflow: SQL agent with memory. This workflow integrates 11 different services: stickyNote, httpRequest, compression, readWriteFile, agent. It contains 18 nodes and follows best practices for error handling and security.", "notes": "Excellent quality workflow: SQL agent with memory. This workflow has been optimized for production use with comprehensive error handling, security, and documentation." }