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Datafeed Q #3



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This Q is has stumped a few experts, so I posted it on all three forums (omega, 
ati, realtraders).  Any wizard out there?

> Since datafeed vendors do not time stamp quotes, how can
> CQG or others deal with updating a user's local database with
> insertions/deletions?  Do they attach each quote with an ID
> number for later identification?


- MArk Jurik