Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
I have several cases where I want to search on relations, where a specific element is NOT in the relation.
Example: Find all customers that have not bought a specific product.
It sounds like a very common and simple search, but I cannot figure it out...
1. Use the live chat to ask your questions.
2. The operator answers within a few minutes.
