Article Pierre LaFay · Dec 18, 2023 1m read How to implement sequence without using a ID If Iris does propose to create keys following a sequence, how can we obtain a sequential number in another context? In my case, I automatically create care centers, and I want to set them a number like: APP-DD-999 APP = Name of the application used by the centerDD = center department number999: sequential number in the departmentIt is of course possible that centers will be created in competition, so this possible competition must be managed. #Code Snippet #InterSystems IRIS 5 3 0 232