write a query to get RRN value from rpg?
how to change pic of variables declared in copy book inside progrm?
State all the file open modes?
what difference exists between control area and control interval?
in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from
how would find total records in files using sequential?
what is the meaning of ssrange and nossrange?
What is the mainframe computer?
Are scope terminators compulsory? If they are, when?
Explain foreign keys?
What is drda ?
What is the difference between general testing and mainframe testing?
What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?