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 yo view the vsam file?

DSRC, TCS,

5 42067

can any one expalin check point with an example?

1 5163

insert into tablename a column1, column2 select column1, column2 from tablename b i am getting abend -104..can any one help?

Syntel,

3 9758

We are aware of eliminating the duplicate records from outyput fiel using sort utility. Can we get the duplicate records in to another file in the Same sort utility?

2 9183

What is the difference between base table and view?

7 32830

I have a KSDS File.I hav a Records like 1,2,3,4,5,6,...100. I want to read using Dynamic mode like from 10 th Record onwards like, 10,12,14,16,18,....60. Waht is the command for this.

CTS,

2 8520

How can i write a comp-3 variable into a sequential file should i declara the field in the file description as comp- 3?

1 11209

what is QSAM?use of the QSAM?how it is used?

1 7045

Alt key is used for what type of vsam file

3 7570

How many cluster index can have in a table?

HSBC,

3 7480

what is level 66 means??

7 27878

What is UNION,UNION ALL?

2 13381

What are the different types of VSAM files available?

CSC,

3 12669

What is Control Interval, Control Area ?

L&T,

1 7292

How do you load a VSAM data set with records ?

2 7284

Un-Answered Questions { IBM MainFrame }

What is a ci split?

968

Describe the benefits of drda?

962

Can we update view in db2?

1003

how can we describe comp sync?

1041

Kindly specify the pic clause for the data type of length option field type of data fields?

1150

Explain the disadvantage of dynamic generation of acb?

948

what is the responsibility of the construction superintendent

2147

Hi, i would like to start a new carrier in DB2 DBA.Which and what all step should i have to take..?

3157

Explain the difference between external subroutine and subprogram?

1227

Mention the guidelines to write a structured cobol program?

1095

How many sections are there in data division in COBOL?

1136

which is more efficient, level 77 or 01?

1046

does anybody know about niit technologies ? how is that company ? any body working in that company ? please answer my question.I got selected in NIIT Technologies delhi.

3004

Explain about house keeping in assembler?

1044

Explain how to access vsam file?

1089

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