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 usage of comp fields in cobol?

1188

In which area will you utilize 88 level items in cobol?

1165

How you can characterize tables in cobol?

1203

Name the various types of tables spaces.

1094

Name all the file-open modes

1080

How do you create a like table?

970

Explain the meaning of spufi?

1035

In a test environment, is there a need to run a runstats?

971

What is the term “where” for?

1007

What is meant by an isolation level?

1014

What is inspect?

1013

What is meant by a bolt dispute?

1355

List the type of locks and explain each of them.

934

Where is the vsam ksds placed?

978

What is meant by comp-3 and what is it used for?

1037

Un-Answered Questions { IBM MainFrame }

In a particular cics program, what is the procedure to allocate dynamic memory?

1163

What are some uses of the evaluate statement?

952

How is deadlock resolved?

1147

What is the meaning of a (new, catalog, keep) disposition mean?

1116

Define autostatus in idms?

845

Explain how to differentiate call by context by comparing it to other calls?

1186

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2678

How does coalesce work?

1023

What is amode(24)?

1241

What is bind package and plan in db2?

1053

What is precompiler in db2?

1022

How do we get current date from system with century in COBOL?

1381

How do you eliminate duplicate values in db2?

1192

Define ceci?

1107

What does the 'cemt:cics' transactions do?

1204

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