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 difference between Plan and Package

Syntel,

1 6120

How do run the JCL which has 25 steps by skipping the following steps 5, 10,15 and 25 without using COND statement

Syntel,

5 10869

file status 00 is checked after opening the file or reading the file

John Deere,

4 8437

how can you save the query in QMF?IS IT POSSIBLE OR NOT.IF POSSIBLW HOW?

Hewitt,

1 5897

How can u know the current date using jcl?

iNautix, Wipro,

2 14211

What is -904 sql code? How to resolve it?

3 46289

What are the common keyword parameters in both job and exec statements

Cap Gemini,

4 14528

When will we need to specify Space parameter ?

Wipro,

3 7907

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23478

In how ways you can pass the data from Jcl to cobol ?

Cap Gemini, IBM,

3 19834

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9668

01 a pic s9(5) occupies how many bytes ?

Wipro,

9 30575

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9550

How can you declare the file ?

Wipro,

1 5211

How many divisions we have in Cobol ?

Wipro,

4 8866

Un-Answered Questions { IBM MainFrame }

What is the difference between PIC 9.99 and 9v99 in COBOL?

1334

Define RCT.

1216

Why is free space left in ksds dataset?

1139

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

Under idcams, multiple functions can be executed, each of which returns a condition code. What will be the condition code returned to the operating system?

1025

On which dataset you can have alt index?

917

What do you understand by the terms: joblib and steplib?

1178

Is condition checking possible in jcl? If yes, how?

1292

What is bind package and plan in db2?

1053

Explain the configuration section of a cobol program with examples of syntax.

1200

How do you create a temporary dataset?

1186

Explain how to access vsam file?

1089

HOW to change the coloumns in XREF?

2007

What is an in line perform? When would you use it? Anything else you wish to say about it.

1076

Matching Logic in Jcl not in cobol.Could any one please answer this question

4156

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