IBM MainFrame Interview Questions
Questions Answers Views Company eMail

Why there is no questions in this column?

6 2926

What is a GDG


3 4279

What is the different ways to initiate a task?

2 3871

why occurs clause not mentioned in 01 level


5 15261

How to resolve the soc4 and soc7 errors?


5 16597

what is the process of precompiler?

2 4689

What is buffrpool? Where we use it ?


2 4587

what is Runstats? Whem will u choose to runatats?

1 2842

what is REORG? what is the use?

4 4722

What is binary search?

3 2870

What is the difference between PIC 9.99 and 9v99?

5 17431

What is the difference between index and subscript?


3 19839

What is SET TO TRUE all about, anyway?

4 5762

What is COMP-1? COMP-2?


3 7104

What is difference between COBOL and VS COBOL II?.


Un-Answered Questions { IBM MainFrame }

Distinguish among erase, erase permanent, erase selective and erase all?


I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.


what happens if parmparameter passes zero bytes to the program


how is the future of tandem mainframe?


What is auto status?


hi provide info about any real time requirement in health care and banking services mainframe applications. pls send immediate reply to me.


Is it possible to obtain a record from IDMS database without mentioning the record-name itself?


which certifications r 4 cobol,jcl,db2,cics what is format of xam n what is importance of these certifications... plz post answer only if u r sure... thanks


What is Framework & How it work?


I have a program with an Array of 5000 occurences which is being passed from 5 sub levels to the front end screen. Thess 5 programs using each 5*2 = 10 different arrays with size as 5000. This is causing the transaction to utilize more storage consupmtion. I am looking to reduce the storage consumption. As part of that initially i thought Dynamic array may solve my problem. After viewing the comments given i see its same as normal array. IS there any other way we can resolve this issue?


Can anyone provide me the source code for LOC(lines of code) counter written in REXX language which can run on IBM mainframe z/OS V1R4. The LOC counter should be able to count the comments,lines of code,blank lines in a COBOL program and JCL's


How can i load all the data from a file to Table (array) in cobol.How i manage the occurs clause with out reading the file.Any options avilable ? Please can any one help me it is urgent?


When you are obtaining next within a set and get a end of set return code, on what record are you now current?


i want to learn mainframe..any websites and material to learn from basic..? my mail id :


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