Explain the data storage?
difference between fetch , call and callnat
Explain how many work file we can code in jcl?
What is a hyperdescriptor?
What exactly is a hyperdescriptor? How does it work?
What is the difference between read work file 1 and read work file once? Why we are using work file once?
How do you receive data passed through JCL parm parameter in a Natural program ? How Data definition is defined in the program?
What is data trace system 2.0 used for?
In a Natural program i used the below code for report FORMAT LS=132 PS=60 And down the line I want to change either LS/PS like FORMAT LS=120 PS=50, is it possible? How it will work?
what is the difference between read and find ?
Explain the difference between external subroutine and subprogram?
control variable in online screens
Explain difference between read work file 1 and read work file once? Why we are using work file once?