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 can handle the s0c4 abend???

3 11943

registers(0-15) ,where they are going be resides., does that mean here is it resides whether real or virtual memory? and why? then why we are assign even registers(0 to 6) for FP operations????

3 7278

I have to run a select query on DB2 table and show its data on CICS map. Please tell me.

2 7080

how to allocate a dynamic dataset in jcl ?

Patni, TCS,

3 16909

how to display comp3 variables reply soon ?

Patni,

4 11580

is it mandatory to give data division before procedure division ? wht happens if i give procedure division first thn data division ? reply soon

Patni,

2 8282

Can multiple CICS regions exist under one O/S?

2 5965

i have a base gdg consisting of 12 versions like jan to dec. i need to concatante this gdg to another gdg which have version 1 or to the base gdg itself can anyone give me the code pls ?

IBM,

4 9484

i have a file which contains duplicates ? my requirement is to eliminate duplicates and these elminated duplicates should be moved to another file can any code this using sort ?

IBM,

3 8629

u have passed sme charecters thru parm parameter in jcl. how do u code in cobol to recieve the values u gave in parm ?

IBM,

2 7310

wht happens if we close cursor with cursor with hold option?

Valtech,

3 12400

how can u view a vsam file using file-aid

CSC, IBM,

5 28127

can u explain gdg with example wht happens if we give limit,empty,noempty,scartch and no scartch

IBM,

1 13905

Can we write same stepname for one or more steps in on job ?

2 13573

How to Pass table from a cobol program to another cobol program and how to use that table in called program

Patni, SunGard,

8 22413

Un-Answered Questions { IBM MainFrame }

How many databases can be created inside an instance in db2 ?

1035

What is dbkey? Explain.

851

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

1466

Give the definition of COMMAREA ?

1070

What is the main function of key-sequenced data set?

1025

Mainframes gets a text file that contains the name of the file. Now using JCL i want to locate that file name in the mainframe system and perform further processing. Please tell how to proceed

2564

What are the error (ONCODES) codes did you encounter in PL/1 programme?

2917

what is use of dcb parameter in dd statement?

1306

How to find or access the current level of a gdg?

839

Define predicate?

1139

Can you define notcat 2?

1041

Differentiate cobol and cobol-ii. (Most of our programs are written in cobolii, so, it is good to know, how, this is different from cobol)?

1117

How is next sentence and continue different?

983

Explain the function of the dd dcb keyword?

1258

How do I connect my db2 database to ibm?

1051

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