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

Explain the function of entry-sequenced data set?

1032

State the differences between vsam and non-vsam files?

1055

What is the main function of key-sequenced data set?

1023

Differentiate between control interval (ci) and control area (ca)?

1005

Differentiate between ci split and ca split?

1011

Describe the uses of ams?

1011

What are the information stored in ci?

1006

What is a vsam dataset?

1031

Tell about the ams used in vsam?

1176

Discuss record management in vsam?

970

What do you understand by the term job time – out and how can you overcome that?

1029

What is the motivation behind coding class parameter in job statement?

1178

List the different components of jcl statement?

1088

List the different jcl statements that are not permitted in the procedures?

1085

What are the rules employed while naming the steps in a job?

1141

Un-Answered Questions { IBM MainFrame }

How can we read records for specific member in CL? AND rpg?

700

What is meant by PPT and what are its uses?

1102

When the job statement is used?

975

Explain the purpose of the file status clause in the select statement?

990

What is the term conversational programs means?

1014

Define sqlca.

1108

Define a junction record in idms?

838

What does a store statement do?

1547

What is linkage section?

956

what is DSN in JCL and what are the parameters to declare the DSN?

1195

What does a disposition of (new,catlg,keep) for a dsn mean?

1148

Explain dclgen.

1199

what will happen when you try to open an empty vsam file in a cobol program for input?

1048

Explain lock contention?

1057

What do you mean by between and in? Is between inclusive of specified range values?

1092

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