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 6107

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 10852

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

John Deere,

4 8415

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

Hewitt,

1 5879

How can u know the current date using jcl?

iNautix, Wipro,

2 14188

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

3 46261

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

Cap Gemini,

4 14506

When will we need to specify Space parameter ?

Wipro,

3 7880

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23457

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

Cap Gemini, IBM,

3 19808

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9647

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

Wipro,

9 30524

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9536

How can you declare the file ?

Wipro,

1 5195

How many divisions we have in Cobol ?

Wipro,

4 8855

Un-Answered Questions { IBM MainFrame }

What methodology can be adapted to transfer data to a program that is coded using the exec statement?

1211

i want to maintain uniqueness on pdf without make lf??????????

2153

how can we repair a soc-7 error?

1030

State all the file open modes?

1062

What is the usage of comp fields in cobol?

1180

what is difference between cobol and cobol/400

22913

What is runstats utility in db2?

1018

In a particular cics program, what is the procedure to allocate dynamic memory?

1155

What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1003

Explain the difference in data type "x" and "p"?

1019

What does a COMMIT statement do?

1384

What is a collection in db2?

1028

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

1304

is there any way to execute more than one proc in the same exec statement at the same time..?

2630

Explain host variables?

987

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