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

Explain the advantage of creating the acbs well ahead of time?

3571

Explain the maximum of key fields and search fields allowed in a segment?

3212

Define dl/i?

3565

Explain the maximum number of pcbs allowed in a psb?

3620

Explain the advantage of dynamic generation of acb?

3199

What are the disadvantages of a hierarchical database?

3284

What are the advantages of a hierarchical database?

3294

Define acb?

3644

What is batch dl/i mode?

3349

What is hierarchical database?

3723

Explain the maximum number of segment types allowed for a single database?

2272

Explain the maximum number of levels allowed in ims db?

3789

Define a page in idms?

833

What is the difference between record occurrence and record type in idms?

855

Define autostatus in idms?

846

Un-Answered Questions { IBM MainFrame }

In case if at some point of time db2 is down, would that impact the pre-compilation process of a db2-cobol program?

1046

Explain cebr transaction commands?

1074

What is the use of disp parameter?

1143

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23641

What is meant by union and union all?

1012

what is the most common way of building queue-id of a tsq?

1085

What is the maximum size of varchar data type in db2?

1137

What do you mean by hierarchical database?

1203

What is a buffer in memory?

1059

What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

9751

What is db2 connect?

1073

what is use of disp parameter in dd statement?

1102

Have you caused any huge mistakes for the bank?

942

Explain the function of dd disp parameter?

1124

What is the role of union all and union

1129

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