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

In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?

3 10311

What is the COBOL RECORD KEY clause?

2 9159

What is the purpose of the FILE STATUS clause in the SELECT statement?

1 5866

If you wish to use the REWRITE command haw must the VSAM file be opened?

1 7565

Explain the meaning and syntax for the START command. ?

IBM,

4 21757

What is the meaning of dynamic processing?

2 6965

Name some common VSAM error conditions and codes. ?

IBM,

1 7169

What is the VSAM-code field?

1 4837

What is a VSAM slot?

1 5646

What is the utility program closely associated with VSAM?

1 4613

There are at least seven IDCAMS commands; name and explain each of them ?.

1 9615

What are the three levels of definition for the VSAM DEFINE?

IBM,

2 8503

What is the significance of the SHAREOPTIONS parameter?

IBM,

1 5781

What is the meaning of the DEFINE MODEL parameter?

1 5117

What is File Status in VSAM?

IBM,

1 7911

Un-Answered Questions { IBM MainFrame }

What are the key features of adabas database system?

1077

How to take backup of table in db2?

1131

Explain the different system tables used in cics?

1076

What are the difference between jcl and jes?

1666

How to pass data to a program that is coded in an exec statement?

1393

What do we mean by 'Virtual storage' for a dataset and for a JOBSTEP ? What is the significance of the following statement for a programmer 'Virtual storage results in program addresses being independent of the addresses that actually exist in a computer' ?

2085

Explain the function of //cntl statement?

1240

what is the role of the is numeric clause?

1152

What is the difference between SEND MAP DATAONLY and SEND MAP MAPONLY ?

1300

How to define a vsam file in cics getting into cics to define a vsam file.

1247

What are the ways fot initiating a transaction?

1025

Explain the configuration section of a cobol program with examples of syntax.

1270

What is the difference between nvl and coalesce?

1116

Explain how to pass instream data in sysin with assembler?

1151

what do you mean by recovery and speed parameters in define cluster command?

1186

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