IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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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

why do we use file-aid wht r the adv of using file-aid thn in ispf

HCL, Tech Mahindra,

7 21025

what type of files we use in file-aid

Tech Mahindra,

1 5656

what type of files we can process thru file-aid

Tech Mahindra,

1 5347

why do we use file-aid for seqential files?

Tech Mahindra,

1 6553

what is vsam catalog ?

Tech Mahindra,

2 8561

how do u conduct impact analysis?

Tech Mahindra,

2388

how do u create gdgs n vsam by using file-aid ?

2 6569

by using xpeditor if we want to debug the subpgm, how can you code in x-ped for mai-pgm n sub-pgm ?

2345

can i use abend-aid instead of x-ped ?

1 4164

what is unit testing ? on which basis you will write test case ?

2074

whose product is x-peditor ?

1 4218

what is copybooks ? structure of copybook and fillers in copybook ? purpose of using copybook ?

Tech Mahindra,

2 36649

tell me about impact analysis ?

IBM, Tech Mahindra,

1 6112

what is the main purpose of using file-aid ?

NIIT, Tech Mahindra,

2 8837

wht is d/f between union and joins ?

2 6538

Un-Answered Questions { IBM MainFrame }

How many types of evaluate statements are available?

1055

How can a stopped job be started again?

1248

What is db2? Explain.

1124

What is the use of db2 optimizer?

1183

Mention the various locks that are available in db2.

1091

What is copy pending and check pending in db2?

1062

Explain the difference between a schema and a subschema in idms?

898

What is the information associated with sysibm.syslinks table?

1176

How do you create a temporary dataset?

1250

Explain psbgen process?

1282

How does cobol compile db2 program?

1134

What is the utilization of copybook in cobol?

1288

What is the eib parameter?

1113

What is dbrm in db2 database?

1203

What are the pertinent COBOL commands?

3245

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