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 the difference between HDAM & HIDAM DB types and when would you use each?

1 13680

What are the valid recovery points?

1 5083

When do you do Build DBD, PSB for making changes in ACBLIB?

1 7973

Which DB access method (OSAM or VSAM) is used for primary index or secondary index and why?

1 6362

What type of pointers should you specify on the root segment of a HIDAM DB to improve sequential processing?

2 6220

What does the Change Accum do?

1 6192

What is difference between concurrent image copy and online image copy?

EDS,

1 7210

What are two reasons to run the DB Batch backout utility?

4 11489

An application programmer comes to you and says your DB is no good, they got an II status code on an insert call from IMS, is this a DB problem?

2 7043

What are all the possible inputs to the DB recovery utility?

1 5333

Which DB access method (OSAM or VSAM) is better and why?

4 18821

What is Program Isolation?

1 7010

what do u write in the impact analysis document (i.e, for a change request)

Nest, Wipro,

4 30918

HELLO FRIENDS, THIS IS JANARDHAN.GADIRAJU, I FACED ONE INTERESTING QUESTION IN COBOL, THAT IS WHAT ARE THE VALUES WE CAN SEE IN HIGHVALUES AND LOWVALUES, CAN U PLEASE GIVE ME THE ANSWER

Patni,

7 16699

PLEASE SEND ME THE DOCUMENTS IF ANY ONE HAVE REGARDING THE IMPACT ANALYSYS,REVIEWS

DELL,

2392

Un-Answered Questions { MainFrame }

List out the data types available.

1153

How long have you been working on mainframes?

971

What is check constraint. Explain with example.

1109

WHICH REPLY CODE IS USED BT sftp ? ... (e.g.226 is used by FTP IF FILE IS TRANSFERED)

2169

what are the differences between and exec cics xctl and exec cics start command?

1237

What is a system catalog table in db2?

1187

what are the additional information you should give in the dd statement while defining the next generation of a gdg?

988

How to select highest score of each subject or how to select highest income of every month?

1765

What statement can be used to send data to another mvs jes3 node?

1647

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2375

What is meant by drda?

960

Discuss record management in vsam?

970

How to do automated restart when a job abend?

1393

what are JCLLIB and STEPLIB in JCL?

1176

is it possible to create a physical file without dds?

1989

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