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

What is mpp mode?

1104

Define ims (db/dc)?

1 1347

What is acbgen process?

1136

What is dbdgen process?

1114

What is psbgen process?

1136

Define psb?

1037

Define pcb?

1061

Explain the disadvantage of dynamic generation of acb?

916

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

1023

Explain the processing modes available in ims db?

3580

Explain the two ways in which dl/i interface can be invoked?

3495

What is bmp mode?

3500

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

3534

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

3175

Define dl/i?

3529

Un-Answered Questions { MainFrame }

Can you define mdt?

1061

Explain the input procedure?

912

How to code the db2 queries using rexx, and also plz send some link and examples using db2 queries?

886

What is the significance of addrspc parameter in exec statement?

1163

How to create 1 ddm that fetches 3 adabas files simultaneously?

889

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1112

Can you explain dfheiblk?

1064

How many maximum base registers we can have in a single program?

1059

when is a tag statement used in rpg?

2163

Explain how to pass instream data in sysin with assembler?

1044

What is the function of entry sequenced data set?

1046

What is redefines clause in COBOL?

1269

How many bytes will a s9(8) comp field occupy ?

1100

How does control intervals and control areas related to each other?

983

What is buffer pool and list some of them?

1001

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