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

what happens when time=0 is given in jcl code. what happens when blksize=0 is given in jcl code. what is symbolic and overriding parameters and a example program.

HCL,

6 14148

I have a dataset with record length 40 in production, due to some requirements it was changed to 80. Then how can we know the jobs which are effected by this change and how can we resolve it.

iGate,

3 8951

1)what is compilation jcl for cobol program but it is calling another program 2)what is compilation jcl for cobol program but it is calling another program(in this, main program is pure cobol but sub program is cobol+db2 program anyone please answer me for above questions. it's very urgent

1 4450

i have cobol+ db2 program but it contains n number of subprograms for this how many dbrm members i need to mention in bind process

2 6626

hi,what is the module? how many modules in mainframe based banking projects

3003

Can you use a select query in a loop to fetch multiple rows? If so what is the advantage of using a cursor?

L&T, UST,

2 4695

Can we use select query in a loop to fetch multiple rows in a COBOL PROGRAM? If so, what is the advantage of cursor?

UST,

1 6087

1)what is compilation jcl for cobol program but it is calling another program 2)what is compilation jcl for cobol program but it is calling another program(in this, main program is pure cobol but sub program is cobol+db2 program.can anyone please answer me for above questions. it's very urgent

Mind Tree,

4 13801

How can you validate Sql errors during cursor operation in db2 pgms and where do you code?

IBM,

2222

is it possible to get -811 error when you use cursors. why?

IBM,

2 7116

DB2: A calls B once sucessfull and second time when it calls says curson is open why is it so?

IBM,

1 6105

can you use symbolic parameters in JOB?

IBM,

5 8028

in GDG: is it poosible to copy records from a file which utilizes some 100 cylinders to a gdg whose model is defined as trk(1,0) and also it possible to copy 100 bytes file to 80 bytes file?

IBM,

1 4820

How to solve S0C7 abend with out using DISPlay in 10 mins?

IBM,

1 7114

What is usage pointer in cobol?

IBM,

3 16392

Un-Answered Questions { IBM MainFrame }

which parameter is used to check the syntax of a jcl without executing it?

1365

If anyone has IBM Certification Dumps pls forward to me & also let me know what are the Certification Codes that are available in DB2

2054

What is the latest version of ibm db2?

1273

Which isolation level provides highest data integrity?

1130

What is the function of a dd statement?

1218

What does the keyranges parameter in define cluster commends do?

960

What is the use of with ur in db2?

1061

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

Can you define transid?

1034

Is there any command to check wether the ps file is in sorted order?

2893

What is the purpose of relative record data set used in vsam?

1102

What is a bind in db2?

1051

How does jcl act on code(if you take a cobol program)?

1304

Explain cebr transaction commands?

1080

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

1320

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