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MainFrame Interview Questions
Questions Answers Views Company eMail

Explain about open switch business continuity software?

 552

How to read and write a single record into a file. I would like to use it to enter a single 8-character piece of information and use it to put it into a variable for processing in JCL. Thank you

 594

What is the difference between copybooks and subprocedures in as400?

 792

Why we have multiple data types in As400 and why we use numeric, packed, decimal, zoned the basic difference between this?

 600

Can we move X(7) to S9(7) COMP?

 1 1064

Can we change a FB file to VB file in JCL? Please help

 1 1120

Can a indexed file be accessed in arrival sequence in RPG?

 1 1224

How do u design a physical file, when you have 2 Unique fields like for eg in A student file student ID and student examination no both are unique

 539

How to write record if no field or the field are different in physical file in rpgle ?

 471

When we have a file with Duplicate records and I want to read the unique record from the file. For example a file containing Emp Name as 'Ram' and there are 3 entries of it. So how to read a unique record from File?

 484

How to read a record from file where there is multiple record occurrence is available?

 1 1142

Assume 2 users are using the same file and first user updates some record in the file. Will the 2nd user will be able to see the updated record or not?

 497

1. If there are two programs using same file and 2 users are using the file at the same time and what can be done to allow them both to access? 2. How can remove lock from the file for accessing it by both users?

 472

If I have a file with 5 record and that file has 2 Key field and I want to read the unique record of the file then how can we achieve it?

 1 1101

write a cobol logic. i have file that has 10 records .1 record go to first output file and second record goes to 2 output and etc

 687

Un-Answered Questions { MainFrame }

Explain the different system tables used in cics?

527

What is the difference between iter and do?

657

When would you use abend command?

576

A chkpt is the parameter coded for multi-volume qsam datasets in a dd statement. When a chkpt is coded as chkpt=eov, a checkpoint is written to the dataset specified in the sysckeov statement at the end of each volume of the input/output multi-volume dataset. State whether true or false?

720

Can you explain communication area?

577




what is the difference between seton lr and retrn?

1258

What is the difference between inrec and outrec?

629

Explain the usage of language in the ppt entry?

567

what are the thress bms options?

680

What is psbgen process?

680

What is timing concept in mainframe?

1644

WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99 VALUE 123.45. PROCEDURE DIVISION. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. compiler : IGYGR1080-S A "VALUE" clause literal was not compatible with the data category o subject data item. The "VALUE" clause was discarded. WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99. PROCEDURE DIVISION. MOVE 123.45 TO W-B. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. 2375

1019

What is alias in db2?

558

Can you summarize the steps I have to go through in writing my first cgi?

605

Explain how can values be passed from the job stream to an executable program?

603

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