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MainFrame Interview Questions
Questions Answers Views Company eMail

Assume my file has 100 records and I want to see only first 10 records. Is this possible through lf?

1 2087

Suppose my file has 10 fields and I want to make the 2nd field zeros in all records. And assume I have millions of records and I dont want to read each record and update the desired field with 0. Any other way to do this in one step operation?

1 2465

What is file identifier where we can use?

1131

Explain mdt?

1130

How to find or access the current level of a gdg?

838

How to run my rexx exec?

922

Suppose I want to code a rexx program in order to get the inputfile and output files of jcl. I want code snippet or the coding for this?

952

How to code the db2 queries using rexx, and also plz send some link and examples using db2 queries?

922

How to code the db2 queries using rexx?

992

Suppose I have a ksds file. I have a records like 1,2,3,4,5,6,...100. I want to read using dynamic mode like from 10 the record onwards like, 10,12,14,16,18,....60. Wat is the command for this?

671

What is qsam? How it is used?

743

What is the use of qsam?

826

What is qsam?

837

What is qmf?

960

How to execute a query in qmf at a particular time?

945


Un-Answered Questions { MainFrame }

Explain how can a jobs execution priority be modified?

1204


Explain the difference between the into and the set option in the exec cics receive map command?

1122


How to check table size in db2 sap?

1040


How dummy is used in jcl?

1149


. How to know why the OPM job is in MSGWAIT state?..WHAT COULD BE THE REASON FOR it?

7953


what is the compile process of cobol program expalin with code

2586


What is the difference between local and central version operating modes?

1314


Explain the difference between record occurrence and record type?

2060


is oorexx compatible with ibm object rexx?

1004


How do we pass parameters into a CICS –DB2 program

4157


How do I change the column size in db2?

1157


What is a db2 collection?

1045


What is scrollable cursor in db2?

1055


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?

1650


how can you prevent more than one user from accessing the same transient data queue?

1088