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

COBOL (1072)
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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

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?

3561

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?

3638

What is batch dl/i mode?

3348

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?

831

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

854

Define autostatus in idms?

845

Un-Answered Questions { IBM MainFrame }

What is cobol coding sheet?

1233

HOw can I get the negative sign while deduct high value from low value

2255

What is the use of commit in db2?

1083

What is adabas?

1021

What is deadlock in db2?

1070

How do get the result of your program directly on your pc?

2345

What is meant by a ‘Transid’ ?

1051

How do we specify index to include or not during bind process.

2127

When is inspect verb is used in cobol?

1258

Is db2 a database?

973

What is the difference between comp and comp-3?

1185

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

984

Explain what you understand by passing by value.

1154

What is the difference between next sentence and continue in cobol programing language?

1222

What is the difference between spufi and qmf?

1132

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