[Prestashop] Set the deepest category assigned to the product as the default

To set the deepest category assigned to the product as the default you need to do:

  1.  Open your database (for example by phpMyAdmin)
  2.  I suggest you create backup of your database for safety (export data and structure)
  3. Open SQL tab and perform these queries Continue reading [Prestashop] Set the deepest category assigned to the product as the default