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| hi all, i come up these tables for my project and i'm looking for advice/suggestion how to improve/optimize the structure further. table item(itemid,warehouse,category,shapeid,....) table shape(shapeid,physical_shape,...) table dimension(dimensionid,itemid,shapeid,characteristi c,...) possible values for physical_shape: round, hex, sheet, tubing, ... etc possible values for characteristic: diameter, length, width, height, ... etc i have 2 questions: 1) can this be optimized any further? 2) i like to seperate itemid from dimension table, is it possible??? thanks, t. hiep |