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

Is it mandatory to use DCLGEN? If not, why would you use it at all?

2 9196

What is a composite index and how does it differ from a multiple index?

1 4838

What is an asychronous write?

1 4727

What is correlated subquery?

1 5115

Can DASD types assigned to storage groups be intermixed (i.e., 3350s and 3380s)?

1 4146

What is a precompiler?

2 6103

Where would you find information about the type of database authority held by the user?

2 5774

How do you do the EXPLAIN of a dynamic SQL statement?

2 6311

What will the COMMIT accomplish?

5 8041

What is a view? Why use it?

3 6439

What is sqlcode -811?

Accenture, CTS, TCS,

7 74912

What is an intent lock?

3 10970

what types of copies can be made with the COPY Utility ?

1 4775

What is a synonym? How is it used?

2 5729

what is a collection?

2 5567

Un-Answered Questions { IBM MainFrame }

State the uses of syspring, sysin, sort fields, sum fields and dummy.

1144

What is an mdt (modified data tag)?

1105

What are the prerogatives?

1142

Give a brief description of db2 isolation levels?

1146

Explain how you can characterize tables in cobol?

1118

Can a CICS code be a part of a copybook? If so, then what are the outcomes after compilation?

1179

What Are Send Map Maponly & Send Map Dataonly ?

1280

Expalin about Ibm frameworkinh working & is it platform independant & open source?

2129

What are the different types of condition in cobol and write their forms.

1167

How many module come in Ibm framework?

2042

What are the two ways in which dl/i interface can be invoked?

1009

File1 has 100 records and file2 has 200 records I want to copy 50 records which are in both file into file3?

979

What is the main function of linear dataset?

1154

Tell me what type of files we can process thru file-aid?

1007

What does a rollback do in idms?

1046

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