pls help me creat database for computer hardware shop by letting me knw the attributes

tapananand commented: Show some effort first. We are not here to get your work done, but to help you. +0

I hv 4 tbls, product, customers, sales nd location bt d prblm is dat sum of d hardwares re chrcterise based on their modules, sum based on sizes nd d rest are based on their types. pls hw can i fix dis

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