You are misunderstanding the concept of a database. You don’t add a column for each entry. Instead, look at your items, ores in this case, what do they have in common?
Could be something like
Id, OreName
Or could be somwthing complex like:
Id, OreName, price + a bunch of other columns with relations
It all depends on your requirements. I highly recommend you check out a database design video. Those would help you tremendously.
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solved Table in Spring [closed]