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

how do you reference the variable unblock file formats from cobol programs

1386

how do you reference the fixed unblock file formats from cobol programs

1311

Write a program that uses move corresponding.

1210

State the various causes of s0c1, s0c5 and s0c7.

1148

What do you understand by psb and acb?

1183

How to remove 2 duplicate records and copy only one using job control language?

1264

what is amode(24), amode(31), rmode(24) and rmode(any)?

1203

Write the code to count the sum of n natural numbers.

1259

What are declaratives and what are their uses in cobol?

1265

How do you reference the fixed block file formats from cobol programs

1292

how do you reference the rrds file formats from cobol programs

1664

Write a cobol program making use of the redefine clause.

1231

What do you understand by passing by reference and passing by content?

1 1685

how do you reference the ksds vsam file formats from cobol programs

1249

What are various search techniques in cobol? Explain.

1115

Un-Answered Questions { IBM MainFrame }

How to pass the parameters from jcl to assembler program?

1062

Explain difference between call and link?

1165

What is the maximum value that can be stored in s9(8) comp?

1098

How to code the db2 queries using rexx?

1047

What is the syntax of JCL statement?

1296

how to convert the recors form vsam file to db2 table tru file aid

3317

What are db2 tables?

1170

can you please let me know if there is any walkins for COBOL/PLI/DB2/IMS/JCL in pune other than IBM and ITC infotech

2499

How do we get current date from system with century in COBOL?

1432

what is pdes?

1169

What is an ook-rec in idms?

938

I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.

2119

How do you write from PL/1 code to JCL?

2338

Can you please let me know the centre name of INS certification in Kolkata.

2288

How does a cursor work?

1043

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