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 do you set a return code to the JCL from a COBOL program?

4 29426

What is the significance of 'above the line' and 'below the line'?

Nokia,

2 9030

What is level 66 used for ?

TCS,

3 15176

How do you sort in a COBOL program? Give sort file definition, sort statement syntax and meaning.

CGI, TCS,

7 28819

What do you do to resolve SOC-7 error?

Sun Life, Wipro,

2 13253

What compiler option would you use for dynamic linking?

2 9330

What guidelines should be followed to write a structured Cobol program?

1 4930

What is the purpose of Identification Division?

1 5839

How can I tell if a module is being called DYNAMICALLY or STATICALLY?

CTS,

3 14040

In the JCL, how do you define the files referred to in a subroutine ?

2 10753

COMP field occupy ?

2 8287

for an INITIALIZE and what keyword allows for an override of the default.

2 6001

What are the steps you go through while creating a COBOL program executable?

3 10789

What are some examples of command terminators?

1 8822

Why occurs can not be used in 01 level ?

TCS,

2 9605

Un-Answered Questions { IBM MainFrame }

What is the difference between hidam and hdam databases?

959

what happens in execution stage in job processing?

1138

Explain dbdgen process?

1086

kindly specify the pic clause for the following:any bll cell, data type of length option field, hhmmss type of data fields?

1105

Explain the function of job statement in jcl?

1200

What is bind in db2?

1034

When the job statement is used?

969

can you change the attribute in mapset? if so how?

2129

Mention the length of physical storage of the given data types of db2 – date, timestamp, time

1077

What is the purpose of using commit?

1090

What is image copy in db2?

1007

Can we call instream to catalog and catalog to instream?

1141

what sorting order does search all have?

1008

Define free space?

1048

How can unused space allocation be returned to the system when a dataset is closed?

1482

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