Automated MySQL to Google Sheets Sync with Duplicate Prevention

📝 Sync MySQL Rows to Google Sheet

Description:

This n8n template automates the process of syncing new records from a MySQL database table into a Google Sheet, ideal for reporting, backup, or lightweight dashboards.

It is designed for teams or individuals who need to periodically export new data rows from a custom database (e.g., CRM, registrations, surveys) into a structured Google Sheet for further analysis, sharing, or archiving—without duplicates.

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🛠️ What This Workflow Does:

• Runs every 15 minutes via a schedule trigger.
• Selects unsynced rows (sync = 0) from a MySQL table (fifa25_customers).
• Checks if records exist to prevent unnecessary writes.
• Appends records to a Google Sheet, mapping fields like name, email, phone, gender, and more.
• Updates the MySQL table to mark those rows as synced (sync = 1) to avoid reprocessing.
• Fully annotated using sticky notes for easier understanding and onboarding.

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📋 Setup Instructions:

1. Create or select a Google Sheet and make sure the columns match the following:

   • id, name, phone, birthdate, email, region, gender, datatime

2. Ensure your MySQL table (fifa25_customers) has a sync column (default = 0 for new rows).

3. Connect your MySQL and Google Sheets credentials inside n8n.

4. (Optional): Add custom filtering or column transformations as needed.

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👤 Who Is It For?

• Marketers syncing leads to a spreadsheet
• Ops teams pulling user data from internal tools
• Analysts logging form submissions or customer data
• Anyone needing lightweight scheduled ETL from MySQL to Sheets

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🔐 Credentials Required:

• MySQL
• Google Sheets OAuth2

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✅ Best Practices Followed:

• Uses IF node to prevent unnecessary processing
• Updates source database to avoid duplicates
• Includes sticky notes for clarity
• All columns are explicitly mapped
• Works out-of-the-box on any n8n instance with proper creds