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

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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 7773

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

HSBC,

3 10013

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

HSBC, Kings,

1 7438

how many bytes timestamp token occupies?

Boss Global, Cap Gemini, TCS,

6 15702

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 14734

what are the steps to sort in a cobol program?

Patni,

2 5596

how will you define vsam file in select clause?

Patni,

3 8546

whats the difference between search and search all?

Patni,

4 7285

can you declare redefine in level 01?

Patni,

8 18913

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

Patni,

3 8075

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

Patni,

1 7567

when COMP-3 is preferrable?

Patni,

3 8325

whats the disadvantage of search all over search?

Patni, TCS,

4 9196

why do u need inspect verb?

Patni,

3 7889

whats the difference between empty and noempty of GDG?

Patni,

4 13572

Un-Answered Questions { IBM MainFrame }

what is the use of the file status clause in the select statement in vsam?

1122

What is the main purpose of having user catalog in vsam?

1070

How can the duplicate values be eliminated from db2 select?

1111

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1366

Why block size is multiple of lrecl in jcl?

1427

What is meant by comp-3 and what is it used for?

1041

Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.

2425

What is meant by an AICA ABEND?

1191

Can we use procopt on pcb and segment field (senseg)?

991

what is “Cond= even” and “Cond=only”?

1318

what sorting order does search all have?

1023

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

1207

Explain the difference between pseudo-conversational and conversational?

1099

How can deadlocks be resolved?

946

whats the diff bw the evaluate also and and?

2352

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