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 difference between local and central version operating modes?

1314

When you are obtaining next within a set and get a end of set return code, on what record are you now current?

1415

What are IDMS set of occurances?

1352

Does Disconnect and Connect creates page lock in IDMS ?

1463

What does a COMMIT statement do?

1394

How can you submit a job through cobol program?

1527

What is a set? What pointers are required, what are possible? How may sets be ordered?

1373

What is the IDD?

1553

Name and explain the three location modes?

1362

What is the difference between a schema and a subschema?

1912

What is a run unit?

1391

What is a junction record?

1348

What does a ROLLBACK do?

1523

What does a FINISH do?

1 2377

What is the meaning of Copy IDMS Subschema-Binds?

1689

Un-Answered Questions { IBM MainFrame }

Explain the meaning of spufi?

1037

What is the use of the program list table?

1081

Mention one alternative aspect of CICS?

1073

What is need of start 0?

1131

How do you use altindxs in batch, cics programs?

1045

Suppose I have five jobs to do. But I want to hold one?

1127

What do you understand by the term notcat 2 – gs?

1243

What is a set in idms? What pointers are required, what are possible? How may sets be ordered?

864

how many buffers are allocated to vsam ksds and esds?

1167

What is the role of the data page in the db2 database?

1028

A dd statement consists of 4 fields. Name them?

1422

What are the information stored in ci?

1006

What is access path in db2?

986

How many root segments do we have per database record?

1039

What is static and dynamic call in cobol?

1070

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