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

Which COND paramter will u use to execute the step only if the previous step does not execute

BoA, HSBC,

3 7746

How to delete AIX ? i) IEBGENER ii) IDCAMS iii) PURGE iv) All of the above

HSBC,

3 9975

what will be the error code if duplicate key of VSAM file is found?

HSBC, Kings,

1 7410

how many bytes timestamp token occupies?

Boss Global, Cap Gemini, TCS,

6 15643

01 var1 pic x(10) 01 var2 redefines var1 pic 9(10). then in procedure division move 'abcde' to var1 then waht is the value of var1 and var2

HSBC,

9 14668

what are the steps to sort in a cobol program?

Patni,

2 5572

how will you define vsam file in select clause?

Patni,

3 8519

whats the difference between search and search all?

Patni,

4 7258

can you declare redefine in level 01?

Patni,

8 18828

using redefine can you redefine lower variable size to higher variable size?

Patni,

3 8029

if you code move high-values to variable,can you move it into numeric variable or alphanumeric variable?

Patni,

1 7535

when COMP-3 is preferrable?

Patni,

3 8290

whats the disadvantage of search all over search?

Patni, TCS,

4 9173

why do u need inspect verb?

Patni,

3 7851

whats the difference between empty and noempty of GDG?

Patni,

4 13532

Un-Answered Questions { IBM MainFrame }

What is the purpose of rollback and commit?

1188

how do you create an alternate index ?

1066

What is ibm db2 client?

935

List some fields from sqlca?

1056

What are all the divisions of a COBOL program?

1210

Can an individual step be restricted from using all the jobs allowed cpu time?

1550

Explain acbgen process?

1092

what is the meaning of a (new, catlg, keep) disposition mean?

1014

Define cobol coding sheet?

999

List out the data types available.

1148

What is the purpose of dd?

1233

How to check sequence on a table in db2?

1053

What is lock escalation in db2?

1028

What is dbkey? Explain.

840

What is concatenating?

1074

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