MainFrame Interview Questions
Questions Answers Views Company eMail

How much space OS allocates when you create a PS or PDS?

4 11109

Min no of member?s (PDS) in one directory block?

10 28422

The maximum number of steps in a job?

4 20764

How much is memory space involved, when we code BLOCKSIZE,TRK & CYL ?

1 13356

What is DSNDB06 ?

1 7722

What is the use of DSNDB07 ?

1 7378

How do you override a specific DDNAME/SYSIN in PROC from a JCL?

CTS,

6 44866

What is NOTCAT 2

IBM,

2 14449

What is 'S0C7' abend?

9 81966

What is a S0C4 error ?

2 7622

What are SD37, SB37, SE37 abends?

4 60988

What is S322 abend ?

5 30945

Why do you want to specify the REGION parameter in a JCL step?

Kekran Mekran, TCS,

4 34257

What does the TIME parameter signify ? What does TIME=1440 mean ?

Accenture, TCS,

6 39950

What is COND=EVEN ?

IBM,

9 33198


Un-Answered Questions { MainFrame }

What is universal database?

607


have 3 tables table1, table2 and table3 which contains employee information. table1 is master table, table2 contains emp details like emp no and so on, table 3 contains emp salary. so if any emp leave company between 25th - 30th of every month it has to get updated in tables. but it is not getting updated. What is the reason.

1225


what is amode(24), amode(31), rmode(24) and rmode(any)?

681


What is auto status?

1136


What is the function of the dd mgmtclas keyword in sms datasets?

727






What is the mainframe computer?

539


explain about maximum displacement and how to cross this limit?

688


Is there any command to check wether the ps file is in sorted order?

2416


What are the main control blocks available in ims db?

630


How gdg are concatenated?

661


What is image copy in db2?

559


How many bytes does a s9(7) comp-3 field occupy ?

540


how do u start your process after conducting impact analysis ?

1654


Is ibm db2 open source?

573


Explain the disadvantage of dynamic generation of acb?

542