Storage of the dynaset

Question: When retrieve you records and create a list of data is the data stored in a dynaset that can be referenced? IE: say I get all records from a database that begin with the letter 'a' and then fill a page with a list of these data. Once the page is built, is that the data still stored in something like a temporary table where it can be still access without making another SQL select?

Caching of the query or to store the resulting query object/structure in a scope persistent ( ) should give the results that you seek. Users need access to a particular object, in this case a query object, should dictate which persist, scope, you must use session/applications/servers. Session is the most popular, but not always the best. If, for example, many users would use the data retrieved by the same query, then it will be better performed at the time and the results stored in the scope for all to use rather than executed and stored repeatedly so that each user has a copy in their scope of the session.

Also, be aware of when the data should be refreshed to re-run the query on the database and replacing the previously stored by the new results. And finally, on a site with several concurrent users, you must always be aware of your constraints of memory - especially when storing large sets of extended data in persistent for each user. Data can be removed from persistent scopes by using structDelete().

Tags: ColdFusion

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