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 use of uni-rexx?

936

What are various loop types supported by rexx?

940

What are the various error conditions seen in rexx?

914

What does the sample library of uni-rexx consist of?

1064

What are the functions available in rexx?

929

Is it possible to port existing applications from the mainframe or os/2? Are there major changes required to do this?

902

Enlist the features of rexx as a programming language.

1029

What are the different rules for performing sort operation?

1222

Write down the divisions of cobol program?

1250

Differentiate between structured cobol programming and object-oriented cobol programming.

1147

Name the sections present in data division.

1240

What is the difference between binary search and sequential search?

1089

Define in-line perform?

1 2209

What is the use of intialize verb?

1250

Write some characteristics of cobol as means of business language.

1142

Un-Answered Questions { IBM MainFrame }

How do you use altindxs in batch, cics programs?

1039

How errors are handled in CICS programs?

1124

Where do you specify them?

1274

Can you explain communication area?

1033

What is db2 optimizer?

1231

How do I delete a table in db2?

1064

What is the copy idms subschema-binds in idms?

838

How is the sorting of vsam files carried?

1117

State the differences between vsam and non-vsam files?

1053

What is a lds (linear data set) and what is it used for?

1004

What is the device independent method to indicate where a record is stored?

1047

what is JCL?

1158

What is defragmentation and what is its advantage?

1286

What is cloudant database?

1096

On which dataset you can have alt index?

915

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