Database update collisions are a common problem, and qualified data structures provide an easy solution.

Written by Joe Pluta

Database update collisions have been around since the advent of interactive database maintenance. First, we had no record locks. That left us with "last Enter key wins." Let's say I edit a record and you update the same record at the same time. We key in conflicting changes and press Enter. If I hit Enter first, my change is written to the database first; then your Enter is processed, and your change overwrites my change. Last Enter key wins!

New SQL query feature takes Web-enablement tool to new heights.

Written by Chris Smith

We've all heard the apothegmatic description of screen-scraping programs as doing little more than putting lipstick on a pig, but today's Web-enabling tools are going far beyond just dressing up an unattractive legacy program.

Inherited authorities can be a hidden vulnerability if not carefully controlled.

Written by Robin Tatam

Everyone loves an inheritance! Imagine the excitement of discovering that a long-lost uncle has left you a fortune. Or perhaps the recent Royal Wedding has you wondering where you are in the line of succession for the throne of England! While these possibilities are a long shot for most of us, you can inherit power on IBM i using the age-old IBM i facility called "group profiles."