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Even barcodes are not good for unique IDs in stores, since you can have same product eg. CHocolate produced in two different plants. Basic rule is: never use a
by valjavec 16y ago
Even barcodes are not good for unique IDs in stores, since you can have same product eg. CHocolate produced in two different plants.
Basic rule is: never use any data as unique ID, always use an abstract field for that.