try mySQL's auto increment attribute http://dev.mysql.com/doc/mysql/en/example-auto-increment.html Roger Thomas wrote: > I am required to write a user registration script that captures the basics like name, phone number etc etc. I would also have to write to mySQL database a number that is associated with that user. > > At this point of writing, the start of that number is unknown. But the number will be incremented by 1 after each successfull registration. > > Let's say the number starts from 12345. > > I am quite new at all these stuff and would like to seek your advise on the *recommended way* of achieving this. I am thinking along these lines: > a) store that number (12345) in a table > b) a user registers and assign that number to him > c) increment number to 12346 > d) process repeats for the next registration > > Concern: How do tell mySQL to lock the 'number' table when a new registration process is about to take place. Is locking the best option here or is/are there better ways? > > Please advise. > > -- > Roger > > > --------------------------------------------------- > Sign Up for free Email at http://ureg.home.net.my/ > --------------------------------------------------- > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php