hongdong wrote:
I just have a base question: assume user A and user B now both connection to a same database and both of them want to update a same record,but only one is allowed in this condition: A begin to browse the data in a client application,and load rowid into GUI and keep it in memory. B update the record which A want to update A now used the id stored in memory to update the same record now it's wrong. anyone can give me advice how to avoid this and keep the operation is effient thanks!
Use a transaction. That is why they are implemented. ----------------------------------------------------------------------------- To unsubscribe, send email to [EMAIL PROTECTED] -----------------------------------------------------------------------------