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 difference between isnull and coalesce?

1056

What is with ur in db2?

1320

What is cloudant database?

1097

How can deadlocks be resolved?

937

What is commit in db2?

1056

What is access path in db2?

986

Can we insert update delete in view?

972

Can one database have multiple instances?

1054

What do you mean by commit and rollback?

1044

What is copy pending status in db2?

1127

What is collection in db2 bind?

1017

What do you mean by rollback?

991

What is alias in db2?

1061

What is clone table?

1043

What is scrollable cursor in db2?

1055

Un-Answered Questions { IBM MainFrame }

In job processing, what happens in conversion stage?

1197

Explain the difference between local and central version operating modes?

841

How can we find that module can be called – whether DYNAMICALLY or STATICALLY?

1234

Can you define cemt?

1055

How to view db2 table structure?

1018

What is the difference between PIC 9.99 and 9v99 in COBOL?

1334

What is the purpose of relative record data set used in vsam?

1097

Explain how do you establish a starting position in a browse operation?

1067

Is db2 relational database?

979

mention the option used in the cics read command to gain accessibility directly to the file i/o area. (Assume cobol-ii).?

1100

What is the pic clause for the hhmmss type of data fields?

941

When the job statement is used?

975

What is the function of a dd statement?

1208

How do we specify index to include or not during bind process.

2127

What parameter directs the output of the job log dataset?

1281

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