MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the problem of ordered sequential files access?

1161

Write the code implementing the perform … varying.

1070

how do you reference the variable block file formats from cobol programs

1256

how do you reference the printer file formats from cobol programs

1219

How to remove the spaces at the end of each record in the output file of variable length, via cobol program?

1172

Discuss about changing dataset name in proc.

1235

how do you reference the variable unblock file formats from cobol programs

1328

how do you reference the fixed unblock file formats from cobol programs

1237

Write a program that uses move corresponding.

1147

State the various causes of s0c1, s0c5 and s0c7.

1084

What do you understand by psb and acb?

1124

How to remove 2 duplicate records and copy only one using job control language?

1219

what is amode(24), amode(31), rmode(24) and rmode(any)?

1149

Write the code to count the sum of n natural numbers.

1209

What are declaratives and what are their uses in cobol?

1205

Un-Answered Questions { MainFrame }

What is cloudant database?

1097

What is sqlca?

1076

define the purpose of the *cat function?

1674

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

I have File 1 occurs 5 times with Employee-ID,Employee-Name,Employee-Dept (EEE and MECH). I have File 2 occurs 10 times with Employee-ID,Employee-Name,Employee-Dept (EEE,CIVIL,CHEMICAL and MECH). In FIle 1 and FIle 2 , for matching Employee-DEPT (Only MECH) , we need to move entire records from file1 to file 2. We should not use 2D array. Your help is needed here.

1566

how do you execute a background cics txn ?

1315

What's The Error Code For Unique Index Voilation?

1239

What is package in db2 mainframe?

988

If DB2 query returns in null value, how do you work with it in PL/1?

2364

What is icm instruction?

1062

How to establish dynamic cursor position on a map?

1075

Explain the system transid cemt?

1101

What is mainframe database?

905

How to override loadlib?

2040

What is a db2 schema?

1233

For More Un-Answered { MainFrame } Questions Click Here