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

What is the function of currentdata option in bind?

1029

Explain path?

998

State all the file open modes?

1057

Name and explain the type of locks?

953

State the difference between jes2 and jes3?

1010

What is linkage section?

956

What is the need to code commits in batch programs?

1140

Is the order of the when clause significant in an evaluate statement?

993

What will happen if both steplib and joblib are specified?

1021

Explain lock contention?

1044

What is the function of iebgener?

1048

Explain the use of the where?

1050

How is next sentence and continue different?

980

Write in brief about clusters?

974

Explain foreign keys?

1009

Un-Answered Questions { IBM MainFrame }

how to send a sms to a mobile through mainframe mvs?

1178

What is a segment in ims?

1007

How can you access esds files from cics?

1101

What is the difference between Global and External Variables?

1371

What is maximum displacement and how to cross this limit?

1171

I HAVE 500 ROW TO UPDATE I WOULD LIKE TO USE ROLLBACK ALONG WITH COMMIT.WHAT IS THE SYNTAX TO CODE COMMIT AND ROLLBACK FOR EVERY 100 ROWS.AND HOW THE CURSOR ROLLBACK TO THE LAST COMMITTING POINT.

3198

What is a storage group (stogroup)?

1241

What is control interval?

1065

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1392

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1154

How many register we are using in mvs?

1047

what are s0c1, s0c4, s0c5, s0c7 abends?

1300

Explain associator in adabas?

856

what is diffrence b/w file-aid tool and file-aid utility???

4887

What is cursor in dbms?

1057

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