IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

Can you explain control variable in online screens?

941

What is the quality process in development?

1040

Can we see the copy book length using file-aid?

870

Explain why do we use file-aid for seqential files?

1028

How to find occurrence of mu and pe fields in a file?

856

What is cobol coding sheet?

1160

Explain is it possible to code goto statement in natural? If yes please provide the syntax of the same?

924

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?

1004

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1107

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

1003

Tell me what type of files we can process thru file-aid?

893

What is a hyperdescriptor?

906

Explain how many work file we can code in jcl?

939

What is the difference between read work file 1 and read work file once? Why we are using work file once?

938

Explain the address converter?

971

Un-Answered Questions { IBM MainFrame }

What is alias in db2?

1011

i want a program using by if, evaluate , string, unstring, perform, occurs?

4655

i want to maintain uniqueness on pdf without make lf??????????

2123

How do u write test cases?

2031

What is copy pending and check pending in db2?

972

Can you explain enq and deq used in cics?

1038

what difference exists between control area and control interval?

997

Explain how do you intitiate another transaction?

1028

how can the same proc be re-used and called by many jobs?

1457

What is the difference between Structured COBOL Programming and Object Oriented COBOL programming?

1079

WORKING-STORAGE SECTION. 01 GROSS-PAY. 05 BASIC-PAY PIC 9(5). 05 ALLOWENCES PIC 9(3). PROCEDURE DIVISION. MOVE 1000 TO BASIC-PAY. MOVE 250 TO ALLOWENCES. DISPLAY GROSS-PAY. STOP RUN. 77 W-A PIC 9(3)V99 VALUE 23.75 77 W-B PIC ZZ9V99 VLAUE 123.45 after the statement MOVE W-A TO W-B what will be W-B's value? a.123.75 b.b23.75 (where b indicates space) c.023.75 d.invalid move

1309

What is database manager in db2?

980

Name and explain the type of locks?

909

What are types of indexes?

1017

What is phantom read in db2?

1098

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