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odoo accounting v14 pos v15
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databasemerge17
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Kuralarasan

 Hi,

I’m looking for guidance on how to combine two Odoo databases (both on the same Odoo version). 

The use case is to merge data from two separately running instances into a single one ideally preserving customers, products, sales orders, inventory, etc.

Some key points I need help with:

* What's the recommended approach for merging two Odoo databases?

* Can this be done through Odoo's built-in import/export tools, or do I need to use custom scripts?

* Are there any best practices or risks I should be aware of (e.g., handling duplicate IDs, conflicts in sequences, etc.)

* Is there a way to merge selected models (e.g., only customers and products) without affecting the rest of the target database?

Both databases are running on Odoo 17 enterprice, and both have similar modules installed.

Any guidance, tools, or experiences you can share would be greatly appreciated!

Thanks in advance .

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Gautam
Best Answer

Hi,

Merging two Odoo databases (even of the same version) is possible but requires careful planning. Unfortunately, Odoo does not provide a built-in tool to merge databases automatically — it typically needs to be done manually or using custom scripts.

If you're not comfortable handling this process yourself, you can consider reaching out to Odoo partners like Kanak Infosystems LLP, who offer professional services for database merging, migration, and customization. They can help ensure that your data is consolidated safely and efficiently without breaking dependencies.

Let me know if you need a high-level guide or checklist for the manual merge process.

Thanks!

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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,


Merging two Odoo databases, even when running the same version, is a complex task, and there is no official one-click solution. However, various proven strategies can help you combine data intelligently depending on your needs.


1. Export / Import Selected Data (Simplest):

           - Selectively merging Customers, Products, Sales Orders without disturbing existing data.

   Use built-in CSV/XML export/import:


    Export key models (e.g., res.partner, product.template, product.product, sale.order, account.move).


    Before import, clean and remap IDs, ensuring any references (like partner_id) are updated.


2- Multi-Company Consolidation (Alternative)

           - If the ultimate goal is combining companies rather than merging historical data:                                         - Configure one database as a multi-company instance.

                           - Migrate one DB’s data first.

                           - Then import the other DB’s customers, products, and transactions into the same company structure.

                           - Still requires export/import or scripting, but uses Odoo’s native multi-company architecture.



NOTE:-

           - Back up both databases completely using pg_dump or Odoo tools.

           - Set up a test environment and run the entire merge flow there first.

           - Never operate directly on live databases without tested backups.


Hope it helps

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