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 to compare 2 files using File-Aid?

IBM,

1 12889

I have four steps in jcl they are STEP1,STEP2,STEP3 and STEP4. Can it possible to run the reverse order like step4 first then step3,step2,step1?

Broadridge, HCL,

4 21617

Can you give the sort card to arrange the specific column in the version of GDG.

1 5730

01 var1 pic s9(9)v99. 01 var2 pic x(30). procedure division. move 12345.99 to var1. move12345.99 to var2. display var1. display var2. what is the output?

IBM,

2 9574

TO abend the data sholud open in which mode? 1.new 2.old 3.mod 4.shr

MNC,

1 8550

I have two questions here. 1. How to read a flat file in reverse order? 2. How to read a VSAM KSDS file in reverse order? In both the cases we donot know the total number of records.

L&T,

1 11228

I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one

2400

What is the difference between SIBLINGS and TWINS in IMS-DB database

IBM,

2 10971

If there is no row in Emp table with Ename as Raghava and you run the below queries in SPUFI. 1.select Ename from EMP wher Ename = 'raghava' 2.Select count(*) from EMP where Ename = 'raghava' What is SQLCODE shown up in SPUFI

ADP,

4 10024

What is STACK in Natural? How we can use it in Program? Give me Eg.?

IBM,

2 14778

what is the use of cursors?

iGate,

3 7280

For update of a row in cursors, when do we move value into host variable in cobol progrm? is it before open or before fetch ?

iGate,

2 8328

What is Control Break processing ?

iGate,

1 10071

How can we extract data from IMS DB and load it onto oracle database by converting it.Pls someone help me

TCS,

2 5173

Without using move verb how to move one variable to another.

5 13948

Un-Answered Questions { IBM MainFrame }

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17818

what is JCL?

1117

Why do we bind in db2?

1166

What is perform what is varying?

1120

What is the function of dbctl?

1076

What is ibm db2 database?

967

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1123

What is multithreading in jcl?

1411

i want to store 20 digits . how will u do it in cobol ?

1354

list the sequence of steps used to achieve modiication in skip sequential mode?

1161

What is inspect in cobol ?

1257

Explain the jcl exec statement?

1102

in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from

2157

What is buffer pool in the db2 database?

1063

What is the difference between a binary search and a sequential search what are the pertinent cobol?

1105

For More Un-Answered { IBM MainFrame } Questions Click Here