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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 2193

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 2578

What is file identifier where we can use?

1192

Explain mdt?

1206

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

889

How to run my rexx exec?

980

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?

1012

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

974

How to code the db2 queries using rexx?

1056

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?

733

What is qsam? How it is used?

806

What is the use of qsam?

895

What is qsam?

892

What is qmf?

1012

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

1009


Un-Answered Questions { MainFrame }

what is sflrolval?

1148


records can be read/update/deleted with which file?

1141


How to check sequence on a table in db2?

1121


i am using non join multiple format my 3 database file is like that pf97 R REC ENAME ETENNO ESTATUS K ENAME pf98 R REC1 ENAME ESAL K ENAME PF99 R REC3 ENAME CRDCARD EID K EID & MY NON JOIN LOGICAL FILE IS ALSO SAME EXCEPT RECORD NAMES BEFORE I TRIED WITH 2 FILES SO ITS SAYS ERROR I.E.(Key field attributes must be same as for previous formats. ) SO I CHANGED KEYFIELD ACCORDING TO PF SO ITS WORKING BUT AFTER ADDING 3 FILES ITS SAYING SAME ERROR . I DONT KNOW I NEW IN AS400 PLLZ HELP ME I HAVE ONE MORE QUE. CANT BE USE DIFFERENT KEYFIELD (NOT ACCORDING TO PF) IN NON JOIN LOGICAL FILE.

1569


what was the robotech rpg?

1274


Can you use occurs in bms map?

1118


What is the utilization of copybook in cobol? Could we utilize a similar copybook?

1284


what is the clp command to access a query/400?

2254


What is the role of the data page in the db2 database?

1094


what is match field indicator?

1844


input 1 input2 ouput1 output2 output 3 1 re 300 1 re 200 1 re 300 3 rc 500 1 re 200 2 rr 400 1 re 300 2 rr 400 1 rc 400 3 rc 500 1 rc 400 2 rr 700 2 rr 700 5 tt 900 5 tt 900 2 inputs r in flat file and output 1 is matched records,ouptput2 is unmatched of input1,output3 is unmatched of input2! how vl u get the output files using sequential order and to check with each and every records! let me know the procedure division ?

2367


Can you explain multitasking and multithreading?

1202


Explain the difference between and exec cics xctl and an exec cics link command?

1196


For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1175


what is a non-join logical file?

1936