IBM Natural Interview Questions

 
1.
How to receive data passed through JCL parm parameter in a Natural program? How Data definition is defined in the program?
2.
Explain difference between escape(top or bottom) and escape immediate(top or bottom?
3.
How many work file we can code in jcl?
4.
How to move cursor to a particular field when position is not known?
5.
How to find occurrence of MU and PE fields in a file?
6.
Explain difference between read work file 1 and read work file once? Why we are using work file once?
7.
Explain difference between read(1) and read work file once?
8.
Tell me Can we update with histogram?
9.
Is it possible to declare a GDA for an external subroutine?
10.
A field declared as P8 needs to be redefined as
Alphanumeric. What would be its new size?
11.
How to create 1 DDM that fetches 3 ADABAS files simultaneously?
12.
What is the quality process in development?
13.
What is a hyperdescriptor? How does it work?
14.
Explain ADABAS basic concepts. Like inverted list, address converter ,data storage?
15.
Can you explain control variable in online screens?
16.
How are you going to remove duplicates from the file that is being read?
17.
Can we see the copy book length using file-aid?
18.
What is COBOL coding sheet?
19.
If the number of parameter is more than the expected then NAT0919 error is displayed. How many parameter are allowed in a CALL and CALLNAT statement?
20.
Explain the difference between External subroutine and
subprogram?
21.
Suppose You are processing an input file in a Natural program and you want the program to fail if the file is empty. What command you use in Natural to force it to fail?
22.
What happens when you issue a ESCAPE ROUTINE in a program?
Will there be any compilation /Run time erro?
23.
How do you pass data from a Natural Program to an External Subroutine? Can it share the LDA of Program as in Internal Subroutine?
24.
Explain how to ftp the natural program to desktop? (from mainframe to pc), is it possible?
25.
Explain why do we use file-aid for seqential files?
26.
Tell me what type of files we can process thru file-aid?
27.
Explain Is it possible to code GOTO statement in NATURAL? if yes please provide the syntax of the same?