IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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IMS (143)
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Natural (81)
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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

Which COND paramter will u use to execute the step only if the previous step does not execute

BoA, HSBC,

3 7900

How to delete AIX ? i) IEBGENER ii) IDCAMS iii) PURGE iv) All of the above

HSBC,

3 10119

what will be the error code if duplicate key of VSAM file is found?

HSBC, Kings,

1 7497

how many bytes timestamp token occupies?

Boss Global, Cap Gemini, TCS,

6 15902

01 var1 pic x(10) 01 var2 redefines var1 pic 9(10). then in procedure division move 'abcde' to var1 then waht is the value of var1 and var2

HSBC,

9 15011

what are the steps to sort in a cobol program?

Patni,

2 5719

how will you define vsam file in select clause?

Patni,

3 8636

whats the difference between search and search all?

Patni,

4 7428

can you declare redefine in level 01?

Patni,

8 19181

using redefine can you redefine lower variable size to higher variable size?

Patni,

3 8188

if you code move high-values to variable,can you move it into numeric variable or alphanumeric variable?

Patni,

1 7633

when COMP-3 is preferrable?

Patni,

3 8435

whats the disadvantage of search all over search?

Patni, TCS,

4 9334

why do u need inspect verb?

Patni,

3 8003

whats the difference between empty and noempty of GDG?

Patni,

4 13732

Un-Answered Questions { IBM MainFrame }

Explain db2.

1089

Explain how to produce soc7 abend?

1143

Can you define a gdg?

1055

Explain the contention situations caused by locks?

1149

What do you mean by the term fct?

1040

how to convert the recors form vsam file to db2 table tru file aid

3317

Explain about logical data model of idms?

951

Explain the difference between a physical bms mapset and a logical bms mapset?

1037

Explain the primary function of the processing program table (ppt)?

1050

What is use of IBM framework?

2173

Explain the advantage of dynamic generation of acb?

3263

How do I add a column to a table in db2?

1162

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1616

What does the keyranges parameter in define cluster commends do?

1011

Explain how can you do the explain of a dynamic sql statement?

1181

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