Explain the access path in AS400. Are they important? Why are they used in the application? What are the different types of access paths available in the AS400 system and how can we maintain access paths?

What are the main differences between the Source physical file (SRC-PF) and Physical file (PF) in AS400? How they differ in terms of storing data. Why do we use SRC-PF and PF, and how does their structure differ? Where do ...Read more

What is DDS(Data Description Specifications) in AS400, and how do we use the DDS in defining the database files (PF, LF), display files (DSPF), and PRTF(Printer files)? Please provide examples using DDS to create PF, LF, DSPF, and PRTF.

What is the difference between the Physical file (PF) and the Logical file (LF) in AS400? How do these files are related to each other? How do I decide when we use PF or LF in my program?

What is the CHGPF (Change Physical file) command and Why do we use this command in the AS400 system? What changes we can make to the physical file using this command? Please provide some examples to explain it and the command’s ...Read more

How can I create a physical file in AS400? What are the steps involved in this? What command is associated with creating a PF and what are the parameters of that command to consider while creating the PF? Please provide an ...Read more

Please explain in detail about the data types that can be defined in the physical file (PF) in as400. Please provide the syntax for defining the various types in the DDS PF.

How can I add/Insert data in a physical file in as400? What are the different ways that are available to add data in PF? Which best way of inserting or adding records in PF?

I was trying to correct the state of objects in my library and I guess some damaged objects exist in my library. How can I find these damaged objects on an IBM I system?