Banking rules say you have to process the day's deposits before the day's withdrawals.
Basically, you post the transaction to a transaction file which is applied to the account after the cutoff time. On Wed, Jun 27, 2012 at 10:30 AM, Bill Fairchild <[email protected]> wrote: > I understand why all accumulated transactions have to be processed in the > correct sequence if they are batched up daily, but why is an individual > transaction not instantaneously and permanently processed with the results > being committed right then? Why is it necessary to run huge batches of > transactions at night? I am guessing that committing the transaction > instantly would take too long for the average customer's patience when > standing at an outdoors ATM in the rain. Are there any other reasons? When > I buy an airplane ticket online, I get my whole transaction complete in one > sitting and do not have to wait until the next day to receive confirmation of > my reservation, but it always takes several minutes to do it online. > -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
