temporal databases

  •   1)  What is the information principle?  Is it important?

      2)  What is temporal upward compatibility?  Is it important?

     

      Any help greatly appreciated!  Ehsan

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  •  What is temporal upward compatibility

    Making that a future version can read the information off an older version?

  • G'Day,

    When I google 'temporal upward compatibility' I receive 46,800 links.  The first link says "Temporal upward compatibility [BBJS97] demands that existing XQuery code operating on the previous non temporal documents continue to work (accessing the current state) on time"

    Page 6 of this document: http://www.cs.aau.dk/~csj/Thesis/pdf/chapter24.pdf provides a mathematically precise definition

    Hope this helps

    Wayne

  •   Hi it does, thanks a lot!

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