Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Determine week by Month and Month Week
Message
 
 
À
04/09/2017 15:36:17
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Divers
Thread ID:
01653958
Message ID:
01654000
Vues:
40
>>>
>>>I'd definitely recommend creating a date calendar table - basically one row per calendar day, with many columns to describe that day (what week, what fiscal month, what calendar month, etc.) in as many terms as the business needs...
>>
>>For me this would be additional maintenance. In my application Monday of a Month and how it relates to the Week in a Year is used quite a lot. And these values change from year to year. I prefer to have the program calculate it on-the-fly rather than having to rebuild such a table every year.
>
>Please don't take this personally - I strongly disagree. Most places create a date calendar table/date dimension and build it out a few years in advance, and many have a script to generate it. It is a superior practice.
>
>I will post some code later for an example of how to build one out. Seriously, you shouldn't have an application calculating this on the fly. There are better ways to do that.

What is a real technical reason that calculating on the fly is not as good as having a table? (aside from the fact that you don't like it :))
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform