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 14121

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 8940

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 4440

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 6611

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

2998

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 4682

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 6074

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 13780

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

IBM,

2215

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

IBM,

2 7105

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

IBM,

1 6098

can you use symbolic parameters in JOB?

IBM,

5 8017

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 4818

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

IBM,

1 7105

What is usage pointer in cobol?

IBM,

3 16379

Un-Answered Questions { IBM MainFrame }

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2678

WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99 VALUE 123.45. PROCEDURE DIVISION. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. compiler : IGYGR1080-S A "VALUE" clause literal was not compatible with the data category o subject data item. The "VALUE" clause was discarded. WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99. PROCEDURE DIVISION. MOVE 123.45 TO W-B. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. 2375

1477

How can you classify the locks in db2?

1089

What is the difference between Global and External Variables?

1377

Can we move alphanumeric incentive to the numeric field?

1051

What does db2 mean?

1017

How can you use dynamic calls in cics?

1055

Give some examples of command terminators?

1261

What information does a dbd contain?

1029

Explain the function of the dd dcb keyword?

1258

What are the various isolation levels possible?

1122

Can you define path?

989

How to submit a jcl from cics?

1150

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

929

Is automatic restart possible in jcl?

1221

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