Description of SWAT - A simple Web-based Anomalies Tracker - Part 7 :
This is an online tutorial in which the author deals with preventing users from storing several data at the same time in database. Here the author explains about a way of avoiding concurrent updates by accepting updates after verifying whether previously any other change is made to the data or not. In this tutorial the author clearly explains about including an extra field in record for ?update identifier?.
ASP
