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Basic MySQL. XOR?

Dwight E Chadbourne wrote:
> Hi.  I have two large text docs that I'm going to load into MySQL.  The
> way I have my head wrapped around it is that there's two sets and I want
> to see the symmetric difference.  Any tips on how to write the SQL?  I 
> figure this must be a common situation and I'm just missing something 
> simple.  Thanks for any tips.

By "text docs", you mean something text files with data in tab-delimited 
lines, right?

> - Eric C.  (the one who usually scribbles in all lower-case but happens to 
> be at work right now)

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