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

explain in brief how you can create a vsam file?

IBM,

1132

why ci and ca splits are not possible in esds and rrds?

IBM,

1155

what is a base cluster in vsam?

IBM,

1133

what do you mean by define model parameter?

IBM,

1145

how can you load a vsam data set with records ?

IBM,

1162

is it necessary that all versions of the gdg have to be of the same record length?

IBM,

1143

what is the use of the file status clause in the select statement in vsam?

IBM,

1110

what is meant by s0c-07 system abend codes?

IBM,

1077

explain in brief why do vsam take more disk space than other utilities?

IBM,

1089

explain in brief how are different versions of gdg named?

IBM,

997

differentiate between sequential files and esds files in vsam?

IBM,

1168

what will happen if there is no secondary allocation made for datasets?

IBM,

1110

there are seven idcams commands in vsam. Can you name and explain each of them?

IBM,

1107

Can you delete vsam files with the delete option of the disposition parameter of jcl?

IBM,

1109

in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?

IBM,

1198

Un-Answered Questions { IBM MainFrame }

What is database descriptor?

1017

What is the function of entry sequenced data set?

1079

Discuss about db2 bind?

1094

What is perform what is varying?

1163

What type of database is db2?

965

What does a COMMIT statement do?

1384

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1190

Explain the usage of language in the ppt entry?

988

How to define a directory?

975

How to move a field DT 9(8) of input file to DT 9(8) COMP-3 in output file in ezytrieve? in the output file entire dt is not moved.If any answer plz reply as soon as possible.

2204

what are the common errors that occured while programming in AS/400?

1529

If I have limited experience with Rexx or it's been a long time since I've used it, what kind of help is available to get me started?

897

What are iseries servers?

1072

How to compare data between two tables in db2?

1084

How to override loadlib?

2035

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