Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
SQL breakdown of data
Message
De
08/03/2017 12:59:05
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01648857
Message ID:
01648858
Vues:
100
>Hello,
>
>I have a table with 1,500 records and with one column: ID, comprised of numeric data ranging from 1 - 1,591. As the
>numbers get higher, the frequency of their appearance increases. But what's important, is not so much any given value
>but how many numbers appear within a given range. And yes, I am trying to figure out a cutoff point that will separate
>this table into the numbers that appear with the highest frequency (they happen to be larger numbers, in this table)
>and numbers that appear less frequently (they happen to be smaller numbers.)
>So, I want to know if certain values appear more often than others, kind of like a heat map, except the response would
>be in a tabular form rather than in graphic.. Is there a way to use an SQL statement to do this? Can I preselect
>the number of ranges and their size, for example: break the table up into 20 ranges. But I can't know
>which values each of the 20 ranges will have in advance? I know it's a vague question but I wondered
>what you all might say as this kind of question is coming up a lot.
>
>Thank you,
>Steve

Hi, Steve,

Can you post the table structure (at least for the relevant columns)?
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform