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?

1134

Define ims (db/dc)?

1 1402

What is acbgen process?

1192

What is dbdgen process?

1173

What is psbgen process?

1160

Define psb?

1090

Define pcb?

1080

Explain the disadvantage of dynamic generation of acb?

947

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

1060

Explain the processing modes available in ims db?

3623

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

3537

What is bmp mode?

3539

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?

3559

Un-Answered Questions { MainFrame }

What are the recoverable cics resources?

1014

which parameter is use to declare the name of dataset in dd statement?

1265

What is the usage of open cursor command?

1100

What is the difference between PIC 9.99 and PIC9v99?

1338

Can you define notcat 2?

1037

Define base cluster?

1009

File not opened because library is *PROD and debug is UPDPROD(*NO). ? what may be the reason? how to solve it..?

2939

How to view db2 table structure?

1017

What is the reason behind not using select * in embedded sql programs?

1115

What is difference between alias and synonym in db2?

1141

What is the difference between the positional and keyword parameters? Give examples.

1258

we cant write data into file using cl program then what is sndf

1659

Why is it required to have a keyed directed retrieval?

1024

How can you do the explain of a dynamic sql statement?

1069

What is the difference between physical file and logical file?

1139

For More Un-Answered { MainFrame } Questions Click Here