Does JDBC execute query return the whole set of records in memory? do you mean data model in  JDBC library? Thanks!
Werner Punz <[EMAIL PROTECTED]> wrote:
Dave wrote:
> For a large database table that has millions of records(rows), how is
> the memory managed from backend to ? all the millions of
> records are in memory? That would crash the system. Is the collection(
> returned from database layer) actually not filled with data until they
> are requested ? Thanks. Dave
>
implementing a custom datamodel might be your friend in this case...
unless you use plain jdbc, afair there was a jdbc datamodel in the
core classes.

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