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 ibm db2 used for?

1072

What is runstats and reorg in db2?

1295

What is runstats utility in db2?

1017

What does db2 plan contain?

1017

What is syscat in db2?

997

What does db2 stand for?

1017

What is plan in cobol db2?

1132

What is ibm db2 client?

935

What is cobol db2?

991

What is bufferpool in db2?

1046

Explain the benefits you can get from mainframe connect?

970

Explain about mirror activator disk mirroring?

1003

Explain about open switch business continuity software?

1124

How to read and write a single record into a file. I would like to use it to enter a single 8-character piece of information and use it to put it into a variable for processing in JCL. Thank you

1069

Can we move X(7) to S9(7) COMP?

1 2033

Un-Answered Questions { IBM MainFrame }

Explain difference between read(1) and read work file once?

951

Explain lock contention?

1045

What is a bind in idms?

868

How will you return the number of records in table?

932

Have you caused any huge mistakes for the bank?

928

What is the function of the steplib dd statement?

1192

What is the meaning concurrency in the db2 database?

1108

How to find or access the current level of a gdg?

823

What is condition checking in jcl? Is this possible?

1112

Define acb?

3624

how you can access an uncataloged dataset in a JCL?

1128

is it compulsory commitment control in journal?

2474

Is there any command to check wether the ps file is in sorted order?

2880

What is the difference between run mode and addressing mode?

1242

What is a vsam dataset?

1024

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