List:General Discussion« Previous MessageNext Message »
From:Peter Brawley Date:February 13 2009 8:02pm
Subject:Re: Codd's rule 8 (physical data idependence)
View as plain text  
>*Applications should not be logicaly impaired when the physical storage or
>access ethods change.*

Changing the storage engine for tables, for example from a transactional 
to non-transactional engine, changes the database logic.

PB

Yusuf Khan wrote:
> Hello all
>
> Does MySQL 5 conform to Codd's rule 8, i.e. physical data independence,
> which says that:
>
> *Applications should not be logicaly impaired when the physical storage or
> access ethods change.*
>
> Any help would be greatly appreciated.
>
> Thanks
>
>   
> ------------------------------------------------------------------------
>
>
> Internal Virus Database is out of date.
> Checked by AVG - http://www.avg.com 
> Version: 8.0.176 / Virus Database: 270.10.12/1909 - Release Date: 1/22/2009 7:08 AM
>
>   

Thread
Codd's rule 8 (physical data idependence)Yusuf Khan13 Feb
  • Re: Codd's rule 8 (physical data idependence)Peter Brawley13 Feb
    • RE: Codd's rule 8 (physical data idependence)Jerry Schwartz13 Feb
  • Re: Codd's rule 8 (physical data idependence)Martijn Tonies13 Feb
    • Re: Codd's rule 8 (physical data idependence)Baron Schwartz13 Feb
    • RE: Codd's rule 8 (physical data idependence)US Data Export13 Feb