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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

Explain the maximum number of pcbs allowed in a psb?

3619

Explain the advantage of dynamic generation of acb?

3198

What are the disadvantages of a hierarchical database?

3283

What are the advantages of a hierarchical database?

3294

Define acb?

3637

What is batch dl/i mode?

3347

What is hierarchical database?

3723

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

2270

Explain the maximum number of levels allowed in ims db?

3788

Define a page in idms?

830

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

853

Define autostatus in idms?

845

Define a junction record in idms?

840

What is the purpose of store statement?

823

What is the function of commit in idms?

862

Un-Answered Questions { MainFrame }

Explain the catalog?

990

what is the purpose of indicators in rpg?

1821

how to access the file from prodution from changeman tool and to submit a file to production

7549

what opcode will be used to test the zone of a character field?

1784

can a indexed file be accessed in arrival sequence in rpg program?

1631

List down the types of triggers in the db2 database?

1028

What is the syntax for seeing the columns and data types of a table in the db2 database?

1169

What do you mean by linkage section?

1008

List the various advantages of using jcl language?

1453

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1061

what are various techniques to pass parameters from one program to another?

1860

What is the eib parameter?

1057

Can you explain referential integrity?

1001

what is the difference between do while and do until?

1249

What are the mandatory keywords of sub file?

1484

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