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Walden H. Leverich wrote:
You can cache object references to increase performance,
but then you have a question of currency, the cached version
may not be the database version, and this is something one
has to account for in the design.

Both the wording and the concept expressed there caught my attention. The wording could imply that object references could go stale, and need to be reinstantiated. Is that the case? Or that attributes could go stale and need to be refreshed from the database?

The concept get's really interesting in high-volume, transaction-oriented environments. Again my background in banking comes to mind. The database is being updated every minute of the day from Internet, ATM, Over The Counter, ACH, Credit Card and Debit Card Merchants, Payroll Deposits, Check Clearing, Interbank Transfers, ... the list could go on.

You almost never like to let the data on the screen go stale.

Nathan.

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