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 is ibm db2 used for?

1091

What is runstats and reorg in db2?

1314

What is runstats utility in db2?

1029

What does db2 plan contain?

1031

What is syscat in db2?

1020

What does db2 stand for?

1036

What is plan in cobol db2?

1146

What is ibm db2 client?

948

What is cobol db2?

1007

What is bufferpool in db2?

1059

Explain the benefits you can get from mainframe connect?

976

Explain about mirror activator disk mirroring?

1018

Explain about open switch business continuity software?

1141

How to read and write a single record into a file. I would like to use it to enter a single 8-character piece of information and use it to put it into a variable for processing in JCL. Thank you

1077

Can we move X(7) to S9(7) COMP?

1 2062

Un-Answered Questions { IBM MainFrame }

When a COBOL-DB2 program in PRODUCTION is updating main tables and gone for long run, what have to do?

3584

I HAVE A VB BLOCK WHICH IS USED AS INPUT IN COBOL CONATINING SOME RECORDS CAN I CHANGE THE FILE FROM VB TO FB?

2567

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

1304

Define TCT.

1165

What is a bind card?

1228

How do you access an uncatalogued dataset in a jcl?

1226

How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.

5546

How can i load all the data from a file to Table (array) in cobol.How i manage the occurs clause with out reading the file.Any options avilable ? Please can any one help me it is urgent?

2597

What is the role of union all and union

1132

What is the default value(s) for an initialize? What keyword will allow for an override of the default?

1130

when does a dataset go uncataloged?

1325

which transient data queue support ati?

1162

how can we apply for HSBC exam(Mainframe) in India??? i went to their site and was told to submit my CV ,. etc..( totally confusing...)

2404

Why is it necessary that file needs to be opened in I-O mode for REWRITE?

1333

What is the difference between ooRexx and IBM's Object REXX for Windows?

1093

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