Ali, You'd be best off to use a CFTRANSACTION with a high isolation level, like read_committed or even serializable.
I'm gonna take a stab at this and guess you're using Access? Keep us posted! J On 4/19/05, Ali Awan <[EMAIL PROTECTED]> wrote: > I have a question regarding ColdFusion and database requests. > > I have 2 applications on different servers, Server A and Server B and they > both access a database on Server C. > > The problem is that recently that App1 on Server A and App2 on Server B > ended up hitting the database at the same time. > > They both have identical code to insert a new record and whose ID is created > by selecting a max id and incrementing it. > > They both ended up with the same ID. > > What is the best way to avoid this? > > I know that it is not possible to lock queries. > > If I wrap the queries in a CFTRANSACTION would that prevent this from > re-occuring? > > Any help is greatly appreciated. > > Thanks, > > Ali -- --------------- ------------------------------------- Buy SQLSurveyor! http://www.web-relevant.com/sqlsurveyor Never make your developers open Enterprise Manager again. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:203602 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
