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 6028

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 10695

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

John Deere,

4 8255

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

Hewitt,

1 5780

How can u know the current date using jcl?

iNautix, Wipro,

2 14097

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

3 46059

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

Cap Gemini,

4 14355

When will we need to specify Space parameter ?

Wipro,

3 7748

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23190

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

Cap Gemini, IBM,

3 19642

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9539

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

Wipro,

9 30263

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9437

How can you declare the file ?

Wipro,

1 5123

How many divisions we have in Cobol ?

Wipro,

4 8696

Un-Answered Questions { IBM MainFrame }

What does sqlcabc has?

1006

Is it possible to create an Instance in DB2 using DB2 Control Center ?

1063

How can a jobs execution priority be modified?

1242

Explain the difference between pseudo-conversational and conversational?

1026

What is job control language?

1044

If we say that bms length of field = 0, then what does that mean?

1214

What is report-item in COBOL?

1111

Explain referential integrity?

1065

Explain the purpose of dd dummy statement?

1170

What is comp-1 and comp-2?

1193

Explain the index set?

1056

Define predicate?

1076

What are catalog tables in db2?

1003

How to check last update on table in db2?

1018

how could you write a program in a structured format?

935

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