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 are the different parameters that are used in vsam?

1152

What is the function of entry sequenced data set?

1075

What is the main purpose of having user catalog in vsam?

1052

What makes vrrds different from vsam?

1237

What is a ci split? What is a ca split?

1188

What is dbkey? Explain.

840

What methods are available for persisting records in an idms database? Explain.

814

How may sets be ordered?

887

What is integrated data dictionary?

935

What is a set? How may sets be ordered?

828

What is ook-rec?

893

Explain about set currency?

859

Explain about record currency?

846

Explain about run unit currency?

881

Explain about area currency?

845

Un-Answered Questions { IBM MainFrame }

Explain the maximum number of levels allowed in ims db?

3781

What is meant by drda?

945

What is the function of entry sequenced data set?

1075

Explain the function of data manager.

1042

Which component is responsible for db2 startup and shutdown?

1032

How To Compile The COBOL-BD2-CI CS Programs In Real TIme? Please Give Me the Detailed Description?

6745

In job processing, what happens in execution stage?

1192

Explain about rct in db2?

1102

What is idms?

858

Is their any set of rules for dd? Explain.

1185

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1138

what sort card you will use to copy the data from one dataset to another dataset?

1217

What is the biggest disadvantage of using a vsam dataset?

1128

What are IDMS set of occurances?

1346

what are JCLLIB and STEPLIB in JCL?

1169

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