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 we find out wether to declare the data items like Integer, Char,Comp? If comp types how can we decide wether it is Comp and Comp3.How it is? Please Explain... Cheers.

Syntel,

1 6499

Write a program to concert an Indexed file into Sequential file?

Covansys,

1 5962

I have a sequential file. How do I access a record in this sequential file randomly in my program ?

CGI, Xansa,

8 21474

Write the syntax of a two dimensional array?

Honeywell, Xansa,

8 29072

I have a sequential file of 100 records. How do I load the records into a two dimensional array ?

IBM, Xansa,

3 22276

What are subroutines ? and how do we pass data to the sub routines?

Xansa,

2 10275

Should I use STOP RUN in the sub program??why?

Xansa,

6 16629

should I use Go back in the main program ? Yes we can use Go back in main program as well.

Xansa,

2 7426

What are decleratives in COBOL ?

Xansa,

1 16075

Have you code any new programs in COBOL ? What is the functionality of the programs?

Patni, Xansa,

2 7647

What is a Proc ? why do we go for a Proc ? What are the types of procs?Can we have nesting in Procs ?

Xansa,

9 15682

what is a cataloged procedure ?

Xansa,

1 8344

What is JOBLIB ?

Xansa,

5 14446

What is JCL LIB ?

Xansa,

3 16763

what are the symbolic parameters? why do we use symbolic parameters ?

IBM, TCS, UST, Xansa,

2 36631

Un-Answered Questions { IBM MainFrame }

How are type 1 and type 2 indexes different?

1021

Explain the difference between start and xctl?

1081

What is data trace system 2.0 used for?

5655

Can we delete records from view?

972

How to run cobol program using jcl?

1242

Which mode is used to operate the sequential file?

1210

What is an ook-rec in idms?

879

What is the difference between oracle and db2?

1118

How can a stopped job be started again?

1197

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...)

2403

How do you write from PL/1 code to JCL?

2293

What is the function of the dd mgmtclas keyword in sms datasets?

1241

Why would you use find and get rather than to obtain?

1193

write a program to read from a VSAM file , there will be a 5 records to create name. empno. resignation and address to update in a db2 table and call another program using dynamic call to find the matching fields in program 1 to update in db2 table. anybody pls send de program for dis ? thanks in advance...

2753

how to access the file from prodution from changeman tool and to submit a file to production

7556

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