Walter Meester
HoogkarspelPays-Bas
Information générale
Forum:
Microsoft SQL Server
Versions des environnements
SQL Server:
SQL Server 2005
>Unofficially, in a table with 400,000 rows, both are taking the same amount of time. (less than half a second on an unindexed table, and then instantly when I create an index)
>I think both queries are good. I just prefer CTEs for things like this.
That does not backup your claim about single table read vs multiple table reads. I can't see your claim being substantiated. As for your test, time does not say me anything. What does the profiler say ??
Précédent
Suivant
Répondre
Voir le fil de ce thread
Voir le fil de ce thread à partir de ce message seulement
Voir tous les messages de ce thread
Voir tous les messages de ce thread à partir de ce message seulement