Structure of Example table:
I need to know if exists difference in performance between:
Or does not exists differences?
In version 10.0 and above,
I do not know of any reason why
answered 10 Mar '10, 21:18
Ivan T. Bowman
If the exact value is not important, but you just want to get an idea if 1000 or 1Mio entries exists you can use the super fast access to the column count of systab. This value is updated during each successful checkpoint.
Use case is for instance: The application wants to display total count of customers in the database in its status bar, updated every 5min...