New answers tagged erd
1
If you don't want to go for a full EAV solution, you could try something like this:
product_base
------------
id
product_group_id
(other fields)
product_option_types
--------------------
id
description
product_options
---------------
id
product_id (fk to product_base.id)
product_option_type_id (fk to product_option_types.id)
...
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