List:General Discussion« Previous MessageNext Message »
From:Dan Bolser Date:April 18 2005 12:02am
Subject:Re: Relative Numeric Values
View as plain text  
On Sat, 16 Apr 2005, David Blomstrom wrote:

>I think my question is more oriented towards PHP, but
>I'd like to ask it on this list, as I suspect the
>solution may involve MySQL.
>
>I'm about to start developing an enormous database
>focusing on the animal kingdom and want to find a key
>system more user friendly than the traditional
>scientific name.

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=taxonomy

I use the 'tax_id' that they use. You can get a dump of the DB here

ftp://ftp.ncbi.nih.gov/pub/taxonomy/

see ftp://ftp.ncbi.nih.gov/pub/taxonomy/taxdump_readme.txt



>
>So imagine instead a page with the following in the
>head section:
>
>$AnimalID = 'canlup';
>
>This page displays information on the wolf, based on
>the first three letters of its genus and species name,
>Canis lupus.
>
>Now imagine a page with this value:
>
>$AnimalID = 'bal';
>
>This page displays information on the whale family
>Balaenidae. But what about the whale family
>Balaenopteridae, which begins with the same three
>letters?
>
>I could solve this problem by adding a numerical key
>to my database and displaying the following:
>
>$AnimalID = 'bal23';
>$AnimalID = 'bal24';
>
>The problem with this is that it makes it much harder
>to work with my data. When tweaking a page or writing
>a script, I can easily remember that bal = Balaenidae,
>but I can't possibly remember which numeral is
>associated with each mammal family. Also, what happens
>if I add or subtract rows from my database table, and
>the above values suddenly change to bal27 and bal28?
>
>So here's what I think I'd like to do:
>
>$AnimalID = 'canlup1';
>$AnimalID = 'bal1';
>$AnimalID = 'bal2';
>
>The page with canlup1 will display the FIRST (and
>only) instance of canlup in the database - the wolf.
>
>The page with bal1 will display the first instance of
>bal, which will always be Balaenidae, whether the
>absolute value is bal27 or bal2884. A page with bal2
>will always display the next mammal family that begins
>with bal, Balaenopteridae.
>
>So I THINK all I need to do is create a variable that
>reflects a particular value's ordinal position in a
>database...
>abc1
>abc2
>abc3, etc.
>
>Plus, I'll have to join two or three fields together
>to form a key; e.g. animals.species + animals.numerals
>
>Does anyone know how I can do this? Thanks.
>
>
>		
>__________________________________ 
>Do you Yahoo!? 
>Plan great trips with Yahoo! Travel: Now over 17,000 guides!
>http://travel.yahoo.com/p-travelguide
>
>

Thread
Relative Numeric ValuesDavid Blomstrom17 Apr
  • Re: Relative Numeric ValuesKim Briggs17 Apr
    • RE: Relative Numeric Valuesgunmuse17 Apr
  • Re: Relative Numeric ValuesPeter Brawley17 Apr
  • Re: Relative Numeric ValuesDan Bolser18 Apr
Re: Relative Numeric ValuesDavid Blomstrom17 Apr
  • Re: Relative Numeric ValuesDan Bolser18 Apr