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 14086

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 8931

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 4433

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 6597

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

2989

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 4673

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 6063

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 13761

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

IBM,

2210

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

IBM,

2 7087

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

IBM,

1 6097

can you use symbolic parameters in JOB?

IBM,

5 7999

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 4807

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

IBM,

1 7098

What is usage pointer in cobol?

IBM,

3 16361

Un-Answered Questions { IBM MainFrame }

How to view db2 table structure?

1012

Can you explain enq and deq used in cics?

1062

What is dpf in db2?

1102

What does a store statement do?

1542

Explain the configuration section of a cobol program with examples of syntax.

1192

How connect db2 database to datastage?

1232

What is rmode(24)

1132

Why is free space left in ksds dataset?

1130

When space is allocated for an output dataset, what units can be used?

1259

can you specify some the distinctive features of a ksds, key sequenced dataset?

1025

What is the difference between external and global variables in COBOL?

1455

What is the eib parameter?

1044

Give certain situations where NEWCOPY is obligatory?

1106

What are the different types of condition in cobol and write their forms.

1110

explain how do you define a gdg in vsam?

1021

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