The Introduction to Programming the iSeries course introduces the programming languages available on the iSeries. It explains the object types associated with them, and the data sources (objects) that programs can access.
The Introduction to DB2/400 course introduces the two main DB2 file types, physical and logical files. It describes how to define and create them.
The Introduction to Device Files course introduces display files and printer files. It explains how to define and create them.
