When you say dirty reads, if you mean the possibility of rewading data that is being modified by another database session that has not been commited yet, you cannot get dirty reads in Oracle.
//Nicholas --- Catalfano Anthony <[EMAIL PROTECTED]> wrote: > You might consider implementing some type of > optimistic/pessimistic locking > mechanism using a time stamp from the DB. > It gets tricky because if you start locking stuff > you need to guarantee that > you can unlock it after a time out period say; maybe > with a timer thread. > Also, check out the Version Pattern in the EJB > Design Patterns book by Floyd > Marinescu. > Although it relates to entity beans you may be able > to apply something > similar. > > Good Luck. > > Anthony Catalfano > Information Technology Analyst > Deere & Company > 309-748-5201 > > > -----Original Message----- > From: Neelu Mehta [mailto:nmehta@;MTCINDIA.COM] > Sent: Wednesday, October 23, 2002 1:10 PM > To: [EMAIL PROTECTED] > Subject: dirty reads from database > > > Hi All > > > I'm using Oracle Application Server9I . In > our application we've > session > beans and Database Access Objects(DAO). We don't > have Entity Beans at all. > I want to know that How it works in multi user > environment. > Just like CMP or BMP can we set any attributes for > DAOs like > Roll back functionality > How can we avoid Dirty reads > Performance > > Can anyone suggest me any link or any book for > that.. > Thanks in advance > Neelu Mehta > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] > and include in the body > of the message "signoff EJB-INTEREST". For general > help, send email to > [EMAIL PROTECTED] and include in the body of the > message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] > and include in the body > of the message "signoff EJB-INTEREST". For general > help, send email to > [EMAIL PROTECTED] and include in the body of the > message "help". > ===== Nicholas Whitehead Home: (973) 377 9335 Cell: (201) 615 2716 Work: (212) 622 5639 [EMAIL PROTECTED] __________________________________________________ Do you Yahoo!? Y! Web Hosting - Let the expert host your web site http://webhosting.yahoo.com/ =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff EJB-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
