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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

Can anyone tell me how to handle the array beyond the limit. If we have an array or a table which can handle 5000 records but now we have to compensate 20000 records with the same array? how to handle the situation.

 2 8629

Which is more efficient - the external subroutine or a copycode coded in to a NATURAL program? And Why?

Hexaware,

2 12924

We have two PS files,want to compare those files and put the duplicate records in one file. Input file 1 contains(1,2,4,9,10) Input file 2 contains (1,4,5,11,12,14,16). Help me with jcl.

 6 14868

I have two questions here. 1. How to read a flat file in reverse order? 2. How to read a VSAM KSDS file in reverse order? In both the cases we donot know the total number of records.

L&T,

2 15954

What is catelog procedure and how many catelog procedure to use in one job?

Infosys,

2 7466

How to check empty file in jcl?

Infosys,

4 24734

How to pass values in jcl to cobol?

IBM, Infosys,

4 23232

Request to database but database is not available so what is was abend is raised?

UST,

2 6548

Why do we need to create an alias if we can directly use the table name? What are the benefits of referring a table name by its alias? Also, when should we go for alias and when for synonyms?

 1 3315

what is the responsibility of the construction superintendent

Almco,

1666

how to convert the recors form vsam file to db2 table tru file aid

TCS,

2763

I have two input files i/p1 name id-key flag date i/p 2 name id-key date if id-key matches in the both the files then it should write the output file from i/p1 with flag 'Y'. It should be done thru JCL sort card ,Please provide the info on this. ---Note : output file should have all records from i/p1 with proper Flag.

 2 4805

I have 5 steps in my jcl ,I need to execute first three steps and then 2nd step again ,4th and 5th steps if rc of 2nd step is zero

ABC,

1 3065

What is the difference between Re-Entrant and Quasi re entrant program?? By looking at the program how can you tell if its re- entrant or not??

IBM,

1 9705

Does Natural online require CICS or other TP systems to function? How does Natural interact with CICS? Thanks.

 1 4036

Un-Answered Questions { IBM MainFrame }

How do I delete a table in database?

601

What is CICS ?

600

what about F1 & F2 keys in xpeditor? And their functionalities?

2064

Explain about rct.

654

What is next sentence and continue unique?

576




What is a dbrm in db2?

580

What is a segment in ims?

589

What is mainframe database?

485

What is parallel sysplex?

444

What is basic difference between directory and pds in ibm mainframe?

679

What are host variables in db2?

628

What are catalog tables in db2?

610

How do you reference the following file formats from cobol programs?

696

What are the objectives of dbms in ims?

655

What is rmode(24)

682

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