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 Database / Brictionary / 33
  Re: wishing upon a star
 
(...) Taking that to the ultimate suggests even the TLG part number should not be the key (which of course is already a known issue if you want to account for color and/or printing). (25 years ago, 25-Aug-99, to lugnet.db.brictionary)
 
  Re: wishing upon a star
 
(...) Precisely. It's not guaranteed to be unique and it has business meaning. Now, clearly, the underlying DB implementation should index on that column because we are likely to be doing a lot of lookups, but that is an optimization/implementation (...) (25 years ago, 25-Aug-99, to lugnet.db.brictionary)
 
  Re: wishing upon a star
 
(...) It's known to be not unique, there's a many-to-many relationship between TLG numbers and unique mold-forms. That is, the same number has been used for different parts (at least, different versions of parts), and different numbers have been (...) (25 years ago, 26-Aug-99, to lugnet.db.brictionary)
 
  Re: wishing upon a star
 
(...) For anyone that might not know this, Mold numbers are not unique. A mold is setup for all the parts and it makes more than 1 piece at a time. If you take the 2x4 brick mold, it could possibly do 8 bricks at a time which means each brick in the (...) (25 years ago, 26-Aug-99, to lugnet.db.brictionary)
 
  Re: wishing upon a star
 
(...) It sounds like you're talking about the mold quality control numbers. On most LEGO parts that a large enough concealed surface, you find three numbers -- two vary from part to part for the reasons you describe. These are usually one or two (...) (25 years ago, 26-Aug-99, to lugnet.db.brictionary)

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