Physical and Logical Files | IBM i | AS400 | iSeries

File types are bread and butter for RPG programmers. The differences between physicals, logicals, joins, tables, indexes and views seem blindingly obvious... but if yuou are new the IBM i Operating System then it all sounds like magic. Hopefully I can explain it in a few minutes and make it all sounds obvious....

https://nicklitten.com/course/what-is-the-difference-between-physical-and-logical-files/