I have developed a small application for use in an art school registration process. We do not want the members date to be on line, so I am using the developer version of Coldfusion to run the application. The application uses ACCESS database and runs on windows xp.
I have just discovered that there is a need to access the application simultaneously from two different desks (during enrollement days we have two people taking enrollments from students). Ideally the application should function seamlessly with the two simultaneous users. HOWEVER I have an nightmare feeling that there may be clashes for access to the database and that both instances of the application would fall over and maybe cause a problem with the database.
I have thought of running two instances of the application (ie each with its own database) but that would mean combining the data of the two databases after enrollment and I dont know if that is possible
Any help would be appreciated !!
james kane
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>> But not feasible to convert this to Mysql etc
why is it not feasible?
MySQL is free, has an easy installer for Windows, has free gui tools availabel for administering server and databases. it can easily run on same machine as your cf server. iirc, there's even a free Migration Toolkit available from mysql.com which can help you migrate your MS Access db to MySQL...
>> Is there a convenient way to combine two identical databases so that the result is the sum of the data in each of the two databases ??
i am afraid there isn't.
Azadi
Business Accounts
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by: azadisaryevPosted on 2009-08-19 at 07:10:53ID: 25132804
one of limitations of the DEVELOPER version of CF is that it allows access to the server from 3 IP addresses only, AND you can't control which IPs get access - it's purely on first-come-first-served basis.
depending on your network setup, you may not be physically able to run a 2-user app on DEV version at all...
furthermore, your application has to deal with concurrency and/or table/record locking, especially since you are using ms access as your back-end, which is not a transactional rdbms... you need to account for multiple users editing same record and for returning correct generated unique ids of new records in your code.
if at all possible, i would suggest migrating to a proper rdbms, free alternatives include MySQL, Postgre, and of course CF8 comes with Apache Derby built-in.
Azadi