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 are the recoverable cics resources?

983

How to get the cursor position when we receive a map?

1038

Db2 what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cicsregions that share the same db2 subsystem?

1093

What is the difference between a return with transid and xctl?

1019

How many ways are there for initiating a transaction?

1017

How to establish dynamic cursor position on a map?

1038

Kindly specify the pic clause for the hhmmss type of data fields?

1023

What are fset, frset?

976

What does the 'cebr:cics' transactions do?

984

Kindly specify the pic clause for the any bll cell type of data fields?

1185

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1103

What is the comaera (communication area)?

1065

What dd statement is used to supply the name of a dataset?

1358

In sms datasets, what is the function of the dd avgrec keyword?

1058

How can unused space allocation be returned to the system when a dataset is closed?

1437

Un-Answered Questions { MainFrame }

Using alternate indexes in cics program?

990

How can we know running job is batch or interactive?

1079

What do you mean by between and in? Is between inclusive of specified range values?

1057

What is compiler directive in as400? Give example of compiler directive.?

1037

Explain in DD statement what is the use of DCB parameter?

1102

Explain about the file objects in vsam?

1007

What is a SSRANGE and NOSSRANGE?

1429

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1309

What do you understand by psb and acb?

1081

Explain the difference between record occurrence and record type?

2028

Write in brief about clusters?

937

Explain what is the massinsert option?

1043

what is data area and how it is used in rpg program ?

1291

What is the difference between Global and External Variables?

1328

I have one input file and some 40 tables, I want to read input file and compare the input file value with the table value if it is present then we have to update with new value, this should be repeated for all 40 tables and we are reading only one input file, for this is there any REXX program or job or routine to accomplish above requirement. components of the requirements; 1. One input file 2. 40 DB2 tables 3. we have to read from the input file and compare with table value, if present then update with new value (this should be recurssive for all 40 tables for every record of input file). 4. quick help is appreciated.

2342

For More Un-Answered { MainFrame } Questions Click Here