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 9104

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

1 4758

What is an asychronous write?

1 4649

What is correlated subquery?

1 5024

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

1 4048

What is a precompiler?

2 5975

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

2 5633

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

2 6203

What will the COMMIT accomplish?

5 7866

What is a view? Why use it?

3 6320

What is sqlcode -811?

Accenture, CTS, TCS,

7 74633

What is an intent lock?

3 10829

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

1 4708

What is a synonym? How is it used?

2 5614

what is a collection?

2 5440

Un-Answered Questions { IBM MainFrame }

What is the difference between next sentence and continue in cobol programing language?

1231

without jcl how to run the batch programs

2545

What is the pic clause for the any bll cell type of data fields?

1071

Name the command used for terminating a browse operation?

1035

How to find the maximum value in a column in the db2 database?

1087

pls send the docs of any telecommunication mainframe project

2173

What is ENQ?

1086

Sync points cannot be requested by the application programs? State true or false

1174

Explain the function of the cics translator?

1047

Explain how do you control cursor positioning?

1017

Explain correlated sub-queries.

1038

Is it possible that the redefines clause has different picture clauses compared to the one it redefined?

1160

Why occurs cannot be used in 01 level in COBOL?

1168

How do you pull up a query which was previously saved in qmf?

1160

Write a program to explain size error.

1204

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